SB20230820103 - Fedora EPEL 7 update for tinyproxy 

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Main Vulnerability Database SB20230820103

SB20230820103 - Fedora EPEL 7 update for tinyproxy

Published: August 20, 2023

Security Bulletin ID SB20230820103
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Input validation error (CVE-ID: CVE-2012-3505)

The vulnerability allows remote attackers to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (CPU and memory consumption) via (1) a large number of headers or (2) a large number of forged headers that trigger hash collisions predictably.


2) Race condition (CVE-ID: CVE-2017-11747)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a race condition when dropping privileges to a non-root account for the /run/tinyproxy/tinyproxy.pid file. A local user can exploit the race and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References