Vulnerability Details : CVE-2021-44568
Potential exploit
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.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2021-44568
- cpe:2.3:a:opensuse:libsolv:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-44568
0.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 25 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-44568
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2021-44568
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-44568
-
https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/resolve_dependencies-1995
PoC/resolve_dependencies-1995 at master · yangjiageng/PoC · GitHubExploit;Third Party Advisory
-
https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/resolve_dependencies-1940
PoC/resolve_dependencies-1940 at master · yangjiageng/PoC · GitHubExploit;Third Party Advisory
-
https://github.com/openSUSE/libsolv/issues/425
libsolv “resolve_dependencies” function two heap-overflow vulnerability · Issue #425 · openSUSE/libsolv · GitHubExploit;Issue Tracking;Third Party Advisory
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