CVE-2019-9192
GNU C Library Uncontrolled Recursion in regexec.c
Description
In the GNU C Library (aka glibc or libc6) through 2.29, check_dst_limits_calc_pos_1 in posix/regexec.c has Uncontrolled Recursion, as demonstrated by '(|)(\\1\\1)*' in grep, a different issue than CVE-2018-20796. NOTE: the software maintainer disputes that this is a vulnerability because the behavior occurs only with a crafted pattern
INFO
Published Date :
Feb. 26, 2019, 6:29 p.m.
Last Modified :
Nov. 21, 2024, 4:51 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
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 GNU C Library (glibc) packages to a non-vulnerable version.
- If a reboot is required, reboot the system.
Public PoC/Exploit Available at Github
CVE-2019-9192 has a 19 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-2019-9192.
| URL | Resource |
|---|---|
| https://sourceware.org/bugzilla/show_bug.cgi?id=24269 | Exploit Issue Tracking Third Party Advisory |
| https://support.f5.com/csp/article/K26346590?utm_source=f5support&%3Butm_medium=RSS | |
| https://sourceware.org/bugzilla/show_bug.cgi?id=24269 | Exploit Issue Tracking Third Party Advisory |
| https://support.f5.com/csp/article/K26346590?utm_source=f5support&%3Butm_medium=RSS |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-9192 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-2019-9192
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
Dockerfile Python HTML
None
None
Dockerfile HTML Go Shell
None
Dockerfile JavaScript TypeScript
Задание по DevSecOps второе задание
Fluentbit container image built as small as possible with security in mind
docker-image dockerfile fluent-bit
Dockerfile
None
Dockerfile Roff Java
None
Dockerfile Python
None
HCL
None
Python
None
asp-net-core csharp docker dockerfile javascript react webapi docker-compose
C# Dockerfile HTML JavaScript CSS
Run paperless-ngx rootless by default (no SUID)!
Dockerfile Python
None
TypeScript
imx yocto30
Python Shell
None
Python 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-2019-9192 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-9192 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 https://sourceware.org/bugzilla/show_bug.cgi?id=24269 Added Reference https://support.f5.com/csp/article/K26346590?utm_source=f5support&%3Butm_medium=RSS -
CVE Modified by [email protected]
Aug. 04, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
May. 17, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Apr. 11, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Mar. 21, 2024
Action Type Old Value New Value Added Tag MITRE disputed -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Changed Description ** DISPUTED ** In the GNU C Library (aka glibc or libc6) through 2.29, check_dst_limits_calc_pos_1 in posix/regexec.c has Uncontrolled Recursion, as demonstrated by '(|)(\\1\\1)*' in grep, a different issue than CVE-2018-20796. NOTE: the software maintainer disputes that this is a vulnerability because the behavior occurs only with a crafted pattern. In the GNU C Library (aka glibc or libc6) through 2.29, check_dst_limits_calc_pos_1 in posix/regexec.c has Uncontrolled Recursion, as demonstrated by '(|)(\\1\\1)*' in grep, a different issue than CVE-2018-20796. NOTE: the software maintainer disputes that this is a vulnerability because the behavior occurs only with a crafted pattern Added Reference MITRE https://support.f5.com/csp/article/K26346590?utm_source=f5support&%3Butm_medium=RSS [No types assigned] Removed Reference MITRE https://support.f5.com/csp/article/K26346590?utm_source=f5support&utm_medium=RSS -
CWE Remap by [email protected]
Aug. 24, 2020
Action Type Old Value New Value Changed CWE CWE-399 CWE-674 -
CVE Modified by [email protected]
Nov. 05, 2019
Action Type Old Value New Value Added Reference https://support.f5.com/csp/article/K26346590?utm_source=f5support&utm_medium=RSS [No Types Assigned] -
Initial Analysis by [email protected]
Feb. 27, 2019
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://sourceware.org/bugzilla/show_bug.cgi?id=24269 No Types Assigned https://sourceware.org/bugzilla/show_bug.cgi?id=24269 Exploit, Issue Tracking, Third Party Advisory Added CWE CWE-399 Added CPE Configuration OR *cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:* versions up to (including) 2.29
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.
0.16 }} 0.10%
score
0.34149
percentile