Medium severity · published Feb 21, 2022
CVE-2021-44568
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…
6.5
CVSS
1.8%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.8% · higher than 78% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libsolv · Opensuse
before 0.7.17 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-44568
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-44568
Exploit
https://github.com/openSUSE/libsolv/issues/425
Exploit
https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/resolve_dependencies-1940
Exploit
https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/resolve_dependencies-1995
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