VULNERABILITY INTELLIGENCE

CVE-2013-5580

CVSS score4.3 MEDIUM
EPSS probability2.32%
CISA KEVNot currently listed
Published2013-10-01
Last modified2026-06-16
CVSS vectorAV:N/AC:M/Au:N/C:N/I:N/A:P

Description

The (1) Conn_StartLogin and (2) cb_Read_Resolver_Result functions in conn.c in ngIRCd 18 through 20.2, when the configuration option NoticeAuth is enabled, does not properly handle the return code for the Handle_Write function, which allows remote attackers to cause a denial of service (assertion failure and server crash) via unspecified vectors, related to a "notice auth" message not being sent to a new client.

Weakness classification

  • CWE-20: Improper Input Validation

Primary references