PT-2022-4794 · Uriparser+4 · Uriparser+4

Hartwork · Published 2022-01-06 · Updated 2024-11-06 · CVE-2021-46142

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 the uriNormalizeSyntax function.

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 uriNormalizeSyntax function 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:2022-05751

CVE-2021-46142

DLA-2883-1

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 · 40

• 🔥 https://github.com/uriparser/uriparser/issues/122 · Exploit
• 🔥 https://github.com/uriparser/uriparser/pull/124 · Exploit
• https://ubuntu.com/security/notices/USN-5256-2 · 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/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://bdu.fstec.ru/vul/2022-05751 · Security Note
• 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
• https://nvd.nist.gov/vuln/detail/CVE-2021-46142 · Security Note
• https://cve.org/CVERecord?id=CVE-2021-46142 · Security Note
• https://ubuntu.com/security/notices/USN-5256-1 · Vendor Advisory