CVE-2018-6798
"Perl Locale Buffer Over-Read Vulnerability"
Description
An issue was discovered in Perl 5.22 through 5.26. Matching a crafted locale dependent regular expression can cause a heap-based buffer over-read and potentially information disclosure.
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-2018-6798
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 | MEDIUM | [email protected] | ||||
| CVSS 3.0 | HIGH | [email protected] |
Solution
- Update the affected perl packages.
- For SUSE, use YaST or zypper to install updates.
Public PoC/Exploit Available at Github
CVE-2018-6798 has a 1 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-2018-6798.
| URL | Resource |
|---|---|
| http://www.securitytracker.com/id/1040681 | Third Party Advisory VDB Entry |
| https://access.redhat.com/errata/RHSA-2018:1192 | Third Party Advisory |
| https://rt.perl.org/Public/Bug/Display.html?id=132063 | Vendor Advisory |
| https://security.gentoo.org/glsa/201909-01 | |
| https://usn.ubuntu.com/3625-1/ | Third Party Advisory |
| https://www.debian.org/security/2018/dsa-4172 | Third Party Advisory |
| https://www.oracle.com/security-alerts/cpujul2020.html | |
| http://www.securitytracker.com/id/1040681 | Third Party Advisory VDB Entry |
| https://access.redhat.com/errata/RHSA-2018:1192 | Third Party Advisory |
| https://rt.perl.org/Public/Bug/Display.html?id=132063 | Vendor Advisory |
| https://security.gentoo.org/glsa/201909-01 | |
| https://usn.ubuntu.com/3625-1/ | Third Party Advisory |
| https://www.debian.org/security/2018/dsa-4172 | Third Party Advisory |
| https://www.oracle.com/security-alerts/cpujul2020.html |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-6798 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-2018-6798
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).
content creation around image building for containers
Shell
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2018-6798 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-6798 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 https://access.redhat.com/errata/RHSA-2018:1192 Added Reference https://rt.perl.org/Public/Bug/Display.html?id=132063 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 -
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] -
CWE Remap by [email protected]
Oct. 03, 2019
Action Type Old Value New Value Changed CWE CWE-119 CWE-200 CWE-119 CWE-125 -
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] -
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:N/A:N) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N 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 https://rt.perl.org/Public/Bug/Display.html?id=132063 No Types Assigned https://rt.perl.org/Public/Bug/Display.html?id=132063 Vendor Advisory Changed Reference Type http://www.securitytracker.com/id/1040681 No Types Assigned http://www.securitytracker.com/id/1040681 Third Party Advisory, VDB Entry Added CWE CWE-119 Added CWE CWE-200 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) 5.22 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:6.0:*:*:*:*:*:*:* *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: 7.5
Base CVSS Score: 5
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
1.20 }} 0.51%
score
0.78090
percentile