PT-2020-6436 · Libsolv+5 · Libsolv+5

Published 2020-12-13 · Updated 2022-07-30 · CVE-2021-3200

Positive Technologies (AI Summary)

CVSS v2.0

4.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions libsolv (affected versions not specified)

Description The issue is related to a buffer overflow vulnerability in the testcase read() function of the src/testcase.c component in the Libsolv library. This vulnerability could allow a remote attacker to cause a denial of service. The vulnerable function is testcase read() at src/testcase.c: line 2334.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

ALSA-2021:4408

BDU:2021-04684

CESA-2021_4408

CVE-2021-3200

MGASA-2021-0351

OESA-2021-1209

RHSA-2021:4408

RHSA-2021_4408

RHSA-2022:5498

RLSA-2021:4408

RLSA-2022:5498

SUSE-SU-2021:2145-1

SUSE-SU-2021:2180-1

Affected Products

Almalinux

Centos

Red Hat

Rocky Linux

Suse

Libsolv

References · 508

• 🔥 https://github.com/openSUSE/libsolv/issues/416 · Exploit
• 🔥 https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/PoC-testcase_read-2334 · Exploit
• https://osv.dev/vulnerability/SUSE-SU-2021:2180-1 · Vendor Advisory
• https://errata.rockylinux.org/RLSA-2022:5498 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-3200 · Security Note
• https://cve.org/CVERecord?id=CVE-2021-3200 · Security Note
• https://ubuntu.com/security/CVE-2021-3200 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2021-4408.html · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2021:2145-1 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2021-0351.html · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-3200 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2021-1209 · Vendor Advisory
• https://oracle.com/security-alerts/cpuapr2022.html · Patch
• https://osv.dev/vulnerability/RLSA-2022:5498 · Vendor Advisory
• https://osv.dev/vulnerability/ALSA-2021:4408 · Vendor Advisory