Vulnerability CVE-2021-44575
Published: 2022-02-21

Description:
Two heap-overflow vulnerabilities exists in openSUSE libsolv through 13 Dec 2020 in the makeruledecisions function at src/solver.c: line 147 and 307.

Type:

CWE-787

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Opensuse -> Libsolv 
Fedoraproject -> Fedora 

 References:
https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/makeruledecisions_147
https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/makeruledecisions-307
https://github.com/openSUSE/libsolv/issues/427
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XVLRHB6CUX3SHYOIGVUQNWAOW5JYANWH/
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