PT-2022-4803 · Uriparser+4 · Uriparser+4

Hartwork · Published 2022-01-06 · Updated 2024-11-06 · CVE-2021-46141

Positive Technologies (AI Summary)

CVSS v2.0

7.1

High

Base vector

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

Name of the Vulnerable Software and Affected Versions uriparser versions prior to 0.9.6

Description The issue is related to the use of memory after it has been freed, which can be exploited by a remote attacker to cause a denial of service. It performs invalid free operations in uriFreeUriMembers and uriMakeOwner functions.

Recommendations For versions prior to 0.9.6, update to version 0.9.6 or later to resolve the issue. As a temporary workaround, consider restricting the use of the uriFreeUriMembers and uriMakeOwner functions until a patch is available.

Exploit

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ALT-PU-2022-1120

ALT-PU-2022-2508

ALT-PU-2024-15021

BDU:2022-05786

CVE-2021-46141

DLA-2883-1

DLA-2883-2

DSA-5063-1

OESA-2022-1505

OPENSUSE-SU-2024:11727-1

USN-5256-1

USN-5256-2

Affected Products

Alt Linux

Astra Linux

Linuxmint

Ubuntu

Uriparser

References · 44

• 🔥 https://github.com/uriparser/uriparser/issues/121 · Exploit
• 🔥 https://github.com/uriparser/uriparser/pull/124 · Exploit
• https://ubuntu.com/security/notices/USN-5256-2 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-46141 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2022-0926SE47 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-46141 · Security Note
• https://osv.dev/vulnerability/DLA-2883-2 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-46141 · Vendor Advisory
• https://osv.dev/vulnerability/USN-5256-2 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YGIJTDNEMU2V4H3JJBQVKBRHU5GBQKG2 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:11727-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-46141 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2022-1505 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-46142 · Vendor Advisory
• https://osv.dev/vulnerability/USN-5256-1 · Vendor Advisory