CVE-2013-5580
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…
Does this matter?
Lower severity and a low EPSS score (2.32%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P
- EPSS
- 2.32% probability · 83th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- barton/ngircd
- Source
- cve@mitre.org
References
- http://arthur.barton.de/cgi-bin/gitweb.cgi?p=ngircd.git%3Ba=commit%3Bh=309122017ebc6fff039a7cab1b82f632853d82d5
- http://arthur.barton.de/pipermail/ngircd-ml/2013-August/000645.html
- http://freecode.com/projects/ngircd/releases/357245Patch
- http://lists.fedoraproject.org/pipermail/package-announce/2013-September/115047.html
- http://lists.fedoraproject.org/pipermail/package-announce/2013-September/115077.html
- http://osvdb.org/96590
- http://secunia.com/advisories/54567Vendor Advisory
- http://arthur.barton.de/cgi-bin/gitweb.cgi?p=ngircd.git%3Ba=commit%3Bh=309122017ebc6fff039a7cab1b82f632853d82d5
- http://arthur.barton.de/pipermail/ngircd-ml/2013-August/000645.html
- http://freecode.com/projects/ngircd/releases/357245Patch
- http://lists.fedoraproject.org/pipermail/package-announce/2013-September/115047.html
- http://lists.fedoraproject.org/pipermail/package-announce/2013-September/115077.html
- http://osvdb.org/96590
- http://secunia.com/advisories/54567Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.