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.

CVSS v3 6.5 MEDIUM
CVSS v2.0 4.3 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

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

4.3^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/openSUSE/libsolv/issues/425	Exploit Issue Tracking Third Party Advisory
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

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2022-02-21 18:15

Updated : 2022-03-08 14:20

NVD link : CVE-2021-44568

Mitre link : CVE-2021-44568

CVE.ORG link : CVE-2021-44568

JSON object : View

Products Affected

opensuse

libsolv

CWE

CWE-787

Out-of-bounds Write

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