Known Exploited Vulnerability
9.8
CRITICAL
CVE-2010-4344
Exim Heap-Based Buffer Overflow Vulnerability - [Actively Exploited]
Description

Heap-based buffer overflow in the string_vformat function in string.c in Exim before 4.70 allows remote attackers to execute arbitrary code via an SMTP session that includes two MAIL commands in conjunction with a large message containing crafted headers, leading to improper rejection logging.

INFO

Published Date :

Dec. 14, 2010, 4 p.m.

Last Modified :

July 16, 2024, 5:57 p.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Description :

Heap-based buffer overflow in the string_vformat function in string.c in Exim before 4.70 allows remote attackers to execute arbitrary code via an SMTP session.

Required Action :

Apply updates per vendor instructions.

Public PoC/Exploit Available at Github

CVE-2010-4344 has a 6 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2010-4344 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Canonical ubuntu_linux
1 Debian debian_linux
1 Opensuse opensuse
1 Exim exim
: Total Affected Vendor : 4 | Products : 4
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2010-4344.

URL Resource
ftp://ftp.exim.org/pub/exim/ChangeLogs/ChangeLog-4.70 Broken Link
http://atmail.com/blog/2010/atmail-6204-now-available/ Broken Link
http://bugs.exim.org/show_bug.cgi?id=787 Issue Tracking Patch
http://git.exim.org/exim.git/commit/24c929a27415c7cfc7126c47e4cad39acf3efa6b Mailing List Patch
http://lists.exim.org/lurker/message/20101210.164935.385e04d0.en.html Mailing List Patch
http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00003.html Mailing List Third Party Advisory
http://openwall.com/lists/oss-security/2010/12/10/1 Mailing List Third Party Advisory
http://secunia.com/advisories/40019 Broken Link Vendor Advisory
http://secunia.com/advisories/42576 Broken Link Vendor Advisory
http://secunia.com/advisories/42586 Broken Link Vendor Advisory
http://secunia.com/advisories/42587 Broken Link Vendor Advisory
http://secunia.com/advisories/42589 Broken Link Vendor Advisory
http://www.cpanel.net/2010/12/exim-remote-memory-corruption-vulnerability-notification-cve-2010-4344.html Broken Link
http://www.debian.org/security/2010/dsa-2131 Mailing List Third Party Advisory
http://www.exim.org/lurker/message/20101207.215955.bb32d4f2.en.html Exploit Mailing List
http://www.kb.cert.org/vuls/id/682457 Third Party Advisory US Government Resource
http://www.metasploit.com/modules/exploit/unix/smtp/exim4_string_format Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/05/04/7 Exploit Mailing List
http://www.osvdb.org/69685 Broken Link Exploit Patch
http://www.redhat.com/support/errata/RHSA-2010-0970.html Broken Link
http://www.securityfocus.com/archive/1/515172/100/0/threaded Broken Link Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/45308 Broken Link Third Party Advisory VDB Entry
http://www.securitytracker.com/id?1024858 Broken Link Third Party Advisory VDB Entry
http://www.theregister.co.uk/2010/12/11/exim_code_execution_peril/ Press/Media Coverage
http://www.ubuntu.com/usn/USN-1032-1 Third Party Advisory
http://www.vupen.com/english/advisories/2010/3171 Broken Link Vendor Advisory
http://www.vupen.com/english/advisories/2010/3172 Broken Link Vendor Advisory
http://www.vupen.com/english/advisories/2010/3181 Broken Link Vendor Advisory
http://www.vupen.com/english/advisories/2010/3186 Broken Link Vendor Advisory
http://www.vupen.com/english/advisories/2010/3204 Broken Link Vendor Advisory
http://www.vupen.com/english/advisories/2010/3246 Broken Link Vendor Advisory
http://www.vupen.com/english/advisories/2010/3317 Broken Link
https://bugzilla.redhat.com/show_bug.cgi?id=661756 Exploit Issue Tracking

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

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AleksandrMihajlov/SDB-13-01

Уязвимости и атаки на информационные системы

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Farrhouq/Inpt-report

Imoro Umar Farouq's report on Internal Network Penetration Testing

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Updated: 2 months, 1 week ago
0 stars 0 fork 0 watcher
Born at : Sept. 12, 2024, 11:46 a.m. This repo has been linked 161 different CVEs too.
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sbeteta42/enum_scan

Scan d'énumération de cibles

Shell

Updated: 1 year ago
0 stars 0 fork 0 watcher
Born at : Nov. 2, 2023, 1:49 p.m. This repo has been linked 4 different CVEs too.
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Ostorlab/KEV

Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.

cisa-kev vulnerability 0day cisa exploits

Updated: 2 months, 2 weeks ago
516 stars 32 fork 32 watcher
Born at : April 19, 2022, 8:58 a.m. This repo has been linked 1181 different CVEs too.
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oneplus-x/jok3r

jok3r*Jok3r* is a Python3 CLI application which is aimed at **helping penetration testers for network infrastructure and web black-box security tests**.

Dockerfile Shell Python Mathematica

Updated: 5 years, 6 months ago
1 stars 1 fork 1 watcher
Born at : Jan. 21, 2019, 3:44 p.m. This repo has been linked 18 different CVEs too.
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byte-mug/cumes

CUMES - C Unrestricted Mail Exchange Server (under construction)

Makefile C Shell

Updated: 8 years, 4 months ago
0 stars 0 fork 0 watcher
Born at : July 8, 2016, 9:58 a.m. This repo has been linked 4 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2010-4344 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2010-4344 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Modified Analysis by [email protected]

    Jul. 16, 2024

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type ftp://ftp.exim.org/pub/exim/ChangeLogs/ChangeLog-4.70 No Types Assigned ftp://ftp.exim.org/pub/exim/ChangeLogs/ChangeLog-4.70 Broken Link
    Changed Reference Type http://atmail.com/blog/2010/atmail-6204-now-available/ No Types Assigned http://atmail.com/blog/2010/atmail-6204-now-available/ Broken Link
    Changed Reference Type http://bugs.exim.org/show_bug.cgi?id=787 Patch http://bugs.exim.org/show_bug.cgi?id=787 Issue Tracking, Patch
    Changed Reference Type http://git.exim.org/exim.git/commit/24c929a27415c7cfc7126c47e4cad39acf3efa6b Patch http://git.exim.org/exim.git/commit/24c929a27415c7cfc7126c47e4cad39acf3efa6b Mailing List, Patch
    Changed Reference Type http://lists.exim.org/lurker/message/20101210.164935.385e04d0.en.html Patch http://lists.exim.org/lurker/message/20101210.164935.385e04d0.en.html Mailing List, Patch
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00003.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00003.html Mailing List, Third Party Advisory
    Changed Reference Type http://openwall.com/lists/oss-security/2010/12/10/1 No Types Assigned http://openwall.com/lists/oss-security/2010/12/10/1 Mailing List, Third Party Advisory
    Changed Reference Type http://secunia.com/advisories/40019 Vendor Advisory http://secunia.com/advisories/40019 Broken Link, Vendor Advisory
    Changed Reference Type http://secunia.com/advisories/42576 Vendor Advisory http://secunia.com/advisories/42576 Broken Link, Vendor Advisory
    Changed Reference Type http://secunia.com/advisories/42586 Vendor Advisory http://secunia.com/advisories/42586 Broken Link, Vendor Advisory
    Changed Reference Type http://secunia.com/advisories/42587 Vendor Advisory http://secunia.com/advisories/42587 Broken Link, Vendor Advisory
    Changed Reference Type http://secunia.com/advisories/42589 Vendor Advisory http://secunia.com/advisories/42589 Broken Link, Vendor Advisory
    Changed Reference Type http://www.cpanel.net/2010/12/exim-remote-memory-corruption-vulnerability-notification-cve-2010-4344.html No Types Assigned http://www.cpanel.net/2010/12/exim-remote-memory-corruption-vulnerability-notification-cve-2010-4344.html Broken Link
    Changed Reference Type http://www.debian.org/security/2010/dsa-2131 No Types Assigned http://www.debian.org/security/2010/dsa-2131 Mailing List, Third Party Advisory
    Changed Reference Type http://www.exim.org/lurker/message/20101207.215955.bb32d4f2.en.html No Types Assigned http://www.exim.org/lurker/message/20101207.215955.bb32d4f2.en.html Exploit, Mailing List
    Changed Reference Type http://www.kb.cert.org/vuls/id/682457 US Government Resource http://www.kb.cert.org/vuls/id/682457 Third Party Advisory, US Government Resource
    Changed Reference Type http://www.metasploit.com/modules/exploit/unix/smtp/exim4_string_format No Types Assigned http://www.metasploit.com/modules/exploit/unix/smtp/exim4_string_format Third Party Advisory
    Changed Reference Type http://www.openwall.com/lists/oss-security/2021/05/04/7 No Types Assigned http://www.openwall.com/lists/oss-security/2021/05/04/7 Exploit, Mailing List
    Changed Reference Type http://www.osvdb.org/69685 Exploit, Patch http://www.osvdb.org/69685 Broken Link, Exploit, Patch
    Changed Reference Type http://www.redhat.com/support/errata/RHSA-2010-0970.html No Types Assigned http://www.redhat.com/support/errata/RHSA-2010-0970.html Broken Link
    Changed Reference Type http://www.securityfocus.com/archive/1/515172/100/0/threaded No Types Assigned http://www.securityfocus.com/archive/1/515172/100/0/threaded Broken Link, Third Party Advisory, VDB Entry
    Changed Reference Type http://www.securityfocus.com/bid/45308 No Types Assigned http://www.securityfocus.com/bid/45308 Broken Link, Third Party Advisory, VDB Entry
    Changed Reference Type http://www.securitytracker.com/id?1024858 No Types Assigned http://www.securitytracker.com/id?1024858 Broken Link, Third Party Advisory, VDB Entry
    Changed Reference Type http://www.theregister.co.uk/2010/12/11/exim_code_execution_peril/ No Types Assigned http://www.theregister.co.uk/2010/12/11/exim_code_execution_peril/ Press/Media Coverage
    Changed Reference Type http://www.ubuntu.com/usn/USN-1032-1 No Types Assigned http://www.ubuntu.com/usn/USN-1032-1 Third Party Advisory
    Changed Reference Type http://www.vupen.com/english/advisories/2010/3171 Vendor Advisory http://www.vupen.com/english/advisories/2010/3171 Broken Link, Vendor Advisory
    Changed Reference Type http://www.vupen.com/english/advisories/2010/3172 Vendor Advisory http://www.vupen.com/english/advisories/2010/3172 Broken Link, Vendor Advisory
    Changed Reference Type http://www.vupen.com/english/advisories/2010/3181 Vendor Advisory http://www.vupen.com/english/advisories/2010/3181 Broken Link, Vendor Advisory
    Changed Reference Type http://www.vupen.com/english/advisories/2010/3186 Vendor Advisory http://www.vupen.com/english/advisories/2010/3186 Broken Link, Vendor Advisory
    Changed Reference Type http://www.vupen.com/english/advisories/2010/3204 Vendor Advisory http://www.vupen.com/english/advisories/2010/3204 Broken Link, Vendor Advisory
    Changed Reference Type http://www.vupen.com/english/advisories/2010/3246 Vendor Advisory http://www.vupen.com/english/advisories/2010/3246 Broken Link, Vendor Advisory
    Changed Reference Type http://www.vupen.com/english/advisories/2010/3317 No Types Assigned http://www.vupen.com/english/advisories/2010/3317 Broken Link
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=661756 Exploit https://bugzilla.redhat.com/show_bug.cgi?id=661756 Exploit, Issue Tracking
    Removed CWE NIST CWE-119
    Added CWE NIST CWE-787
    Changed CPE Configuration OR *cpe:2.3:a:exim:exim:2.10:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:2.11:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:2.12:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:3.00:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:3.01:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:3.02:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:3.03:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:3.10:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:3.11:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:3.12:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:3.13:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:3.14:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:3.15:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:3.16:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:3.20:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:3.21:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:3.22:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:3.30:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:3.31:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:3.32:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:3.33:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:3.34:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:3.35:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:3.36:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.00:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.01:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.02:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.03:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.04:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.05:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.10:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.11:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.12:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.14:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.20:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.21:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.22:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.23:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.24:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.30:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.31:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.32:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.33:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.34:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.40:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.41:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.42:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.43:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.44:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.50:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.51:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.52:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.53:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.54:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.60:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.61:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.62:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.63:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.64:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.65:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.66:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.67:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:4.68:*:*:*:*:*:*:* *cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:* versions up to (including) 4.69 OR *cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:* versions up to (excluding) 4.70
    Added CPE Configuration OR *cpe:2.3:o:opensuse:opensuse:11.1:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:opensuse:11.2:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:opensuse:11.3:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:-:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:9.10:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Feb. 13, 2023

    Action Type Old Value New Value
    Changed Description CVE-2010-4344 exim: remote code execution flaw Heap-based buffer overflow in the string_vformat function in string.c in Exim before 4.70 allows remote attackers to execute arbitrary code via an SMTP session that includes two MAIL commands in conjunction with a large message containing crafted headers, leading to improper rejection logging.
    Removed CVSS V2 Red Hat, Inc. (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Removed Reference https://access.redhat.com/errata/RHSA-2010:0970 [No Types Assigned]
    Removed Reference https://access.redhat.com/security/cve/CVE-2010-4344 [No Types Assigned]
  • CVE Modified by [email protected]

    Feb. 02, 2023

    Action Type Old Value New Value
    Changed Description Heap-based buffer overflow in the string_vformat function in string.c in Exim before 4.70 allows remote attackers to execute arbitrary code via an SMTP session that includes two MAIL commands in conjunction with a large message containing crafted headers, leading to improper rejection logging. CVE-2010-4344 exim: remote code execution flaw
    Added CVSS V2 Red Hat, Inc. (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added Reference https://access.redhat.com/security/cve/CVE-2010-4344 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2010:0970 [No Types Assigned]
  • CVE Modified by [email protected]

    May. 04, 2021

    Action Type Old Value New Value
    Added Reference http://www.openwall.com/lists/oss-security/2021/05/04/7 [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 10, 2018

    Action Type Old Value New Value
    Removed Reference http://www.securityfocus.com/archive/1/archive/1/515172/100/0/threaded [No Types Assigned]
    Added Reference http://www.securityfocus.com/archive/1/515172/100/0/threaded [No Types Assigned]
  • Initial Analysis by [email protected]

    Dec. 14, 2010

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2010-4344 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2010-4344 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

74.96 }} -18.10%

score

0.98179

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: