CVE Vulnerability

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.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
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
Configurations

Configuration 1

cpe:2.3:a:opensuse:libsolv:*:*:*:*:*:*:*:*
Information

Published : 2022-02-21 06:15

Updated : 2022-03-08 02:20

NVD link : CVE-2021-44568

Mitre link : CVE-2021-44568

Products Affected

Libsolv

Opensuse

CWE
CWE-787