SB2020030809 - Fedora 31 update for weechat

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Main Vulnerability Database SB2020030809

SB2020030809 - Fedora 31 update for weechat

Published: March 8, 2020 Updated: April 25, 2025

Security Bulletin ID SB2020030809
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

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

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Buffer overflow (CVE-ID: CVE-2017-8073)

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to buffer overflow. A remote attacker can send a specially crafted filename via DCC and cause the service to crash.

2) Buffer overflow (CVE-ID: CVE-2020-8955)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing IRC messages in irc_mode_channel_update() function in plugins/irc/irc-mode.c in WeeChat. A remote attacker can send a specially crafted IRC message 324 (channel mode), trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.

References