SB2023081661 - Fedora EPEL 8 update for uriparser

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Main Vulnerability Database SB2023081661

SB2023081661 - Fedora EPEL 8 update for uriparser

Published: August 16, 2023

Security Bulletin ID SB2023081661
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2021-46141)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to crash the application.

The vulnerability exists due to a use-after-free error when parsing URI in uriFreeUriMembers and uriMakeOwner in uriparser. A remote attacker can trick the victim to open a specially crafted URI, trigger a use-after-free error and crash the application that us using the affected library.


2) Use-after-free (CVE-ID: CVE-2021-46142)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to crash the application.

The vulnerability exists due to a use-after-free error when parsing URI in uriNormalizeSyntax in uriparser. A remote attacker can trick the victim to open a specially crafted URI, trigger a use-after-free error and crash the application that us using the affected library.

Remediation

Install update from vendor's website.

References