Quassel IRC CTCP command execution

quasselirc-ctcp-command-execution (46195) The risk level is classified as HighHigh Risk

Description:

Quassel IRC could allow a remote attacker to execute arbitrary commands, caused by the improper handling of quoted newline characters. By sending a specially-crafted CTCP request, a remote attacker could inject newlines into the response to hijack a connection and execute IRC commands on the vulnerable channel.

*CVSS:

Base Score: 7.5
  Access Vector: Network
  Access Complexity: Low
  Authentication: None
  Confidentiality Impact: Partial
  Integrity Impact: Partial
  Availability Impact: Partial
 
Temporal Score: 5.5
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Gain Privileges

Remedy:

Upgrade to the latest version of Quassel IRC (0.3.0.3 or later), available from the Quassel IRC Web site. See References.

References:

Platforms Affected:

  • Quassel Quassel Core 0.1.0
  • Quassel Quassel Core 0.2.0 Beta1
  • Quassel Quassel Core 0.2.0 Alpha1
  • Quassel Quassel Core 0.2.0 Alpha2
  • Quassel Quassel Core 0.2.0 Alpha3
  • Quassel Quassel Core 0.2.0 Rc1
  • Quassel Quassel Core 0.2.0 Pre
  • Quassel Quassel Core 0.2.0 Alpha5
  • Quassel Quassel Core 0.2.0 Alpha4
  • Quassel Quassel Core 0.3.0 Pre
  • Quassel Quassel Core 0.3.0
  • Quassel Quassel Core 0.3.0.1
  • Quassel Quassel Core 0.3.0.2

Reported:

Oct 28, 2008

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