CVE-2021-44568
OpenSUSE libsolv Heap Overflow DoS
Description
Two heap-overflow vulnerabilities exist in openSUSE/libsolv libsolv through 13 Dec 2020 in the decisionmap variable via the resolve_dependencies function at src/solver.c (line 1940 & line 1995), which could cause a remote Denial of Service.
INFO
Published Date :
Feb. 21, 2022, 6:15 p.m.
Last Modified :
Nov. 21, 2024, 6:31 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
2.8
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-2021-44568.
| URL | Resource |
|---|---|
| https://github.com/openSUSE/libsolv/issues/425 | Exploit Issue Tracking Third Party Advisory |
| https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/resolve_dependencies-1940 | Exploit Third Party Advisory |
| https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/resolve_dependencies-1995 | Exploit Third Party Advisory |
| https://github.com/openSUSE/libsolv/issues/425 | Exploit Issue Tracking Third Party Advisory |
| https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/resolve_dependencies-1940 | Exploit Third Party Advisory |
| https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/resolve_dependencies-1995 | Exploit Third Party Advisory |
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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-44568 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-44568 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://github.com/openSUSE/libsolv/issues/425 Added Reference https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/resolve_dependencies-1940 Added Reference https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/resolve_dependencies-1995 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Reanalysis by [email protected]
Mar. 08, 2022
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:opensuse:libsolv:*:*:*:*:*:*:*:* versions up to (including) 2020-12-13 OR *cpe:2.3:a:opensuse:libsolv:*:*:*:*:*:*:*:* versions up to (excluding) 0.7.17 -
Initial Analysis by [email protected]
Mar. 01, 2022
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Changed Reference Type https://github.com/openSUSE/libsolv/issues/425 No Types Assigned https://github.com/openSUSE/libsolv/issues/425 Exploit, Issue Tracking, Third Party Advisory Changed Reference Type https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/resolve_dependencies-1940 No Types Assigned https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/resolve_dependencies-1940 Exploit, Third Party Advisory Changed Reference Type https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/resolve_dependencies-1995 No Types Assigned https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/resolve_dependencies-1995 Exploit, Third Party Advisory Added CWE NIST CWE-787 Added CPE Configuration OR *cpe:2.3:a:opensuse:libsolv:*:*:*:*:*:*:*:* versions up to (including) 2020-12-13
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-44568 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-2021-44568
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.54 }} 0.04%
score
0.77208
percentile