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10.0
HIGH CVSS 2.0
CVE-2015-2806
libtasn1 ASN1 DER Decoding Stack-based Buffer Overflow
Description

Stack-based buffer overflow in asn1_der_decoding in libtasn1 before 4.4 allows remote attackers to have unspecified impact via unknown vectors.

INFO

Published Date :

April 10, 2015, 3 p.m.

Last Modified :

April 12, 2025, 10:46 a.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2015-2806 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 Fedoraproject fedora
1 Debian debian_linux
1 Gnu libtasn1
: Total Affected Vendor : 4 | Products : 4
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
Solution
The libtasn1 library is vulnerable; updating the package is the primary solution.
  • Update the affected libtasn1 packages.
  • Upgrade the affected packages.
Public PoC/Exploit Available at Github

CVE-2015-2806 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

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-2015-2806.

URL Resource
http://git.savannah.gnu.org/gitweb/?p=libtasn1.git%3Ba=commit%3Bh=4d4f992826a4962790ecd0cce6fbba4a415ce149
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154741.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154805.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155117.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155270.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155435.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155483.html Third Party Advisory
http://www.debian.org/security/2015/dsa-3220 Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2015:193 Broken Link
http://www.openwall.com/lists/oss-security/2015/03/29/4 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/03/31/2 Mailing List Third Party Advisory
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.securityfocus.com/bid/73436
http://www.securitytracker.com/id/1032080 Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2559-1 Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1860
https://security.gentoo.org/glsa/201509-04
http://git.savannah.gnu.org/gitweb/?p=libtasn1.git%3Ba=commit%3Bh=4d4f992826a4962790ecd0cce6fbba4a415ce149
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154741.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154805.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155117.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155270.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155435.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155483.html Third Party Advisory
http://www.debian.org/security/2015/dsa-3220 Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2015:193 Broken Link
http://www.openwall.com/lists/oss-security/2015/03/29/4 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/03/31/2 Mailing List Third Party Advisory
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.securityfocus.com/bid/73436
http://www.securitytracker.com/id/1032080 Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2559-1 Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1860
https://security.gentoo.org/glsa/201509-04
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2015-2806 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-2015-2806 weaknesses.

CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-42: MIME Conversion MIME Conversion CAPEC-44: Overflow Binary Resource File Overflow Binary Resource File CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-100: Overflow Buffers Overflow Buffers CAPEC-123: Buffer Manipulation Buffer Manipulation

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).

Profile Photo
rsumnerz/vuls

None

Makefile Go Dockerfile

Updated: 1 year, 11 months ago
1 stars 0 fork 0 watcher
Born at : Aug. 21, 2018, 2:07 a.m. This repo has been linked 5 different CVEs too.
Profile Photo
xmppadmin/vuls

Vulnerability scanner for Linux/FreeBSD, agentless, written in golang.

Makefile Go

Updated: 11 months ago
2 stars 2 fork 2 watcher
Born at : Aug. 27, 2017, 8:17 p.m. This repo has been linked 5 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-2015-2806 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2015-2806 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.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://git.savannah.gnu.org/gitweb/?p=libtasn1.git%3Ba=commit%3Bh=4d4f992826a4962790ecd0cce6fbba4a415ce149
    Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154741.html
    Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154805.html
    Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155117.html
    Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155270.html
    Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155435.html
    Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155483.html
    Added Reference http://www.debian.org/security/2015/dsa-3220
    Added Reference http://www.mandriva.com/security/advisories?name=MDVSA-2015:193
    Added Reference http://www.openwall.com/lists/oss-security/2015/03/29/4
    Added Reference http://www.openwall.com/lists/oss-security/2015/03/31/2
    Added Reference http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
    Added Reference http://www.securityfocus.com/bid/73436
    Added Reference http://www.securitytracker.com/id/1032080
    Added Reference http://www.ubuntu.com/usn/USN-2559-1
    Added Reference https://access.redhat.com/errata/RHSA-2017:1860
    Added Reference https://security.gentoo.org/glsa/201509-04
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference MITRE http://git.savannah.gnu.org/gitweb/?p=libtasn1.git%3Ba=commit%3Bh=4d4f992826a4962790ecd0cce6fbba4a415ce149 [No types assigned]
    Removed Reference MITRE http://git.savannah.gnu.org/gitweb/?p=libtasn1.git;a=commit;h=4d4f992826a4962790ecd0cce6fbba4a415ce149
  • CVE Modified by [email protected]

    Jan. 05, 2018

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2017:1860 [No Types Assigned]
  • CVE Modified by [email protected]

    Dec. 22, 2016

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/201509-04 [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 30, 2016

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/73436 [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 04, 2016

    Action Type Old Value New Value
    Added Reference http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
  • Modified Analysis by [email protected]

    Aug. 25, 2016

    Action Type Old Value New Value
    Changed CPE Configuration Configuration 1 OR *cpe:2.3:a:gnu:libtasn1:4.3:*:*:*:*:*:*:* (and previous) Configuration 2 OR *cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:lts:*:*:* Configuration 1 OR *cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:lts:*:*:* Configuration 2 OR *cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Configuration 3 OR *cpe:2.3:o:fedoraproject:fedora:20:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:* Configuration 4 OR *cpe:2.3:a:gnu:libtasn1:4.3:*:*:*:*:*:*:* (and previous)
    Changed Reference Type http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154741.html No Types Assigned http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154741.html Third Party Advisory
    Changed Reference Type http://www.securitytracker.com/id/1032080 No Types Assigned http://www.securitytracker.com/id/1032080 Third Party Advisory, VDB Entry
    Changed Reference Type http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155270.html No Types Assigned http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155270.html Third Party Advisory
    Changed Reference Type http://www.mandriva.com/security/advisories?name=MDVSA-2015:193 No Types Assigned http://www.mandriva.com/security/advisories?name=MDVSA-2015:193 Broken Link
    Changed Reference Type http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154805.html No Types Assigned http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154805.html Third Party Advisory
    Changed Reference Type http://www.ubuntu.com/usn/USN-2559-1 No Types Assigned http://www.ubuntu.com/usn/USN-2559-1 Third Party Advisory
    Changed Reference Type http://git.savannah.gnu.org/gitweb/?p=libtasn1.git;a=commit;h=4d4f992826a4962790ecd0cce6fbba4a415ce149 No Types Assigned http://git.savannah.gnu.org/gitweb/?p=libtasn1.git;a=commit;h=4d4f992826a4962790ecd0cce6fbba4a415ce149 Issue Tracking, Patch
    Changed Reference Type http://www.openwall.com/lists/oss-security/2015/03/29/4 No Types Assigned http://www.openwall.com/lists/oss-security/2015/03/29/4 Third Party Advisory, Mailing List
    Changed Reference Type http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155117.html No Types Assigned http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155117.html Third Party Advisory
    Changed Reference Type http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155483.html No Types Assigned http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155483.html Third Party Advisory
    Changed Reference Type http://www.openwall.com/lists/oss-security/2015/03/31/2 No Types Assigned http://www.openwall.com/lists/oss-security/2015/03/31/2 Third Party Advisory, Mailing List
    Changed Reference Type http://www.debian.org/security/2015/dsa-3220 No Types Assigned http://www.debian.org/security/2015/dsa-3220 Third Party Advisory
    Changed Reference Type http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155435.html No Types Assigned http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155435.html Third Party Advisory
  • CVE Modified by [email protected]

    May. 06, 2015

    Action Type Old Value New Value
    Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155117.html
    Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154741.html
    Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155483.html
    Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154805.html
    Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155270.html
    Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155435.html
  • CVE Modified by [email protected]

    Apr. 30, 2015

    Action Type Old Value New Value
    Added Reference http://www.securitytracker.com/id/1032080
  • CVE Modified by [email protected]

    Apr. 18, 2015

    Action Type Old Value New Value
    Added Reference http://www.debian.org/security/2015/dsa-3220
  • Modified Analysis by [email protected]

    Apr. 13, 2015

    Action Type Old Value New Value
    Added CPE Configuration Configuration 1 OR *cpe:2.3:a:gnu:libtasn1:4.3:*:*:*:*:*:*:* (and previous) Configuration 2 OR *cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:lts:*:*:*
    Added CVSS V2 (AV:N/AC:L/Au:N/C:C/I:C/A:C)
    Added CWE CWE-119
  • Initial Analysis by [email protected]

    Apr. 13, 2015

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Apr. 13, 2015

    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.
Vulnerability Scoring Details
Base CVSS Score: 10
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

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

12.33 }} 4.88%

score

0.93472

percentile