CVE-2018-6797
"Perl Stack Buffer Overflow Vulnerability"
Description
An issue was discovered in Perl 5.18 through 5.26. A crafted regular expression can cause a heap-based buffer overflow, with control over the bytes written.
INFO
Published Date :
April 17, 2018, 8:29 p.m.
Last Modified :
Nov. 21, 2024, 4:11 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2018-6797
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.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | HIGH | [email protected] | ||||
| CVSS 3.0 | CRITICAL | [email protected] |
Solution
- Update Perl packages to address the vulnerability.
- For SUSE, use YaST or zypper to apply patches.
- For macOS, install the latest security update.
Public PoC/Exploit Available at Github
CVE-2018-6797 has a 5 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-2018-6797.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-6797 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-2018-6797
weaknesses.
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).
None
None
hackerone one million reports
bugbountytips vulnerability-research
content creation around image building for containers
Shell
PoCs discovered through fuzzing which resulted in a CVE assignment.
fuzzing infosec cve security testcase poc
Prolog
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2018-6797 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-6797 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://www.securitytracker.com/id/1040681 Added Reference http://www.securitytracker.com/id/1042004 Added Reference https://access.redhat.com/errata/RHSA-2018:1192 Added Reference https://rt.perl.org/Public/Bug/Display.html?id=132227 Added Reference https://security.gentoo.org/glsa/201909-01 Added Reference https://usn.ubuntu.com/3625-1/ Added Reference https://www.debian.org/security/2018/dsa-4172 Added Reference https://www.oracle.com/security-alerts/cpujul2020.html -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CWE Remap by [email protected]
Aug. 24, 2020
Action Type Old Value New Value Changed CWE CWE-119 CWE-787 -
CVE Modified by [email protected]
Jul. 15, 2020
Action Type Old Value New Value Added Reference https://www.oracle.com/security-alerts/cpujul2020.html [No Types Assigned] -
CVE Modified by [email protected]
Sep. 06, 2019
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/201909-01 [No Types Assigned] -
Modified Analysis by [email protected]
Mar. 18, 2019
Action Type Old Value New Value Changed Reference Type http://www.securitytracker.com/id/1042004 No Types Assigned http://www.securitytracker.com/id/1042004 Third Party Advisory, VDB Entry Changed CPE Configuration OR *cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Changed CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:* OR *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:* Changed CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.3:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.4:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.5:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* OR *cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.3:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.4:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.5:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Oct. 31, 2018
Action Type Old Value New Value Added Reference http://www.securitytracker.com/id/1042004 [No Types Assigned] -
Initial Analysis by [email protected]
May. 21, 2018
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://usn.ubuntu.com/3625-1/ No Types Assigned https://usn.ubuntu.com/3625-1/ Third Party Advisory Changed Reference Type https://www.debian.org/security/2018/dsa-4172 No Types Assigned https://www.debian.org/security/2018/dsa-4172 Third Party Advisory Changed Reference Type https://access.redhat.com/errata/RHSA-2018:1192 No Types Assigned https://access.redhat.com/errata/RHSA-2018:1192 Third Party Advisory Changed Reference Type http://www.securitytracker.com/id/1040681 No Types Assigned http://www.securitytracker.com/id/1040681 Third Party Advisory, VDB Entry Changed Reference Type https://rt.perl.org/Public/Bug/Display.html?id=132227 No Types Assigned https://rt.perl.org/Public/Bug/Display.html?id=132227 Patch, Vendor Advisory Added CWE CWE-119 Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:a:perl:perl:*:*:*:*:*:*:*:* versions from (including) 5.18 up to (including) 5.26 Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.3:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.4:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.5:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
May. 02, 2018
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/3625-1/ [No Types Assigned] -
CVE Modified by [email protected]
Apr. 24, 2018
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2018:1192 [No Types Assigned]
Vulnerability Scoring Details
Base CVSS Score: 9.8
Base CVSS Score: 7.5
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
1.88 }} -1.83%
score
0.82379
percentile