Vulnerability Monitor

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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 1940 & line 1995), which could cause a remote Denial of Service.

Published

2022-02-21T18:15:08.553

Last Modified

2024-11-21T06:31:13.933

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	opensuse	libsolv	< 0.7.17	Yes

References

https://github.com/openSUSE/libsolv/issues/425 Exploit, Issue Tracking, Third Party Advisory ([email protected])
https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/resolve_dependencies-1940 Exploit, Third Party Advisory ([email protected])
https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/resolve_dependencies-1995 Exploit, Third Party Advisory ([email protected])
https://github.com/openSUSE/libsolv/issues/425 Exploit, Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/resolve_dependencies-1940 Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/resolve_dependencies-1995 Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)