CVE-2021-44568
Published: 21 February 2022
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.
Priority
Status
Package | Release | Status |
---|---|---|
libsolv Launchpad, Ubuntu, Debian |
lunar |
Not vulnerable
|
trusty |
Ignored
(end of standard support)
|
|
upstream |
Released
(0.7.17-1, 0.7.17)
|
|
xenial |
Needs triage
|
|
bionic |
Needs triage
|
|
focal |
Needs triage
|
|
impish |
Not vulnerable
(0.7.17-2)
|
|
jammy |
Not vulnerable
|
|
kinetic |
Not vulnerable
|
|
mantic |
Not vulnerable
|
|
Patches: upstream: https://github.com/openSUSE/libsolv/commit/0077ef29eb46d2e1df2f230fc95a1d9748d49dec |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 6.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44568
- https://github.com/openSUSE/libsolv/issues/425
- https://github.com/openSUSE/libsolv/commit/0077ef29eb46d2e1df2f230fc95a1d9748d49dec (0.7.17)
- https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/resolve_dependencies-1940
- https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/resolve_dependencies-1995
- NVD
- Launchpad
- Debian