CVE-2013-0238
The try_parse_v4_netmask function in hostmask.c in IRCD-Hybrid before 8.0.6 does not properly validate masks, which allows remote attackers to cause a denial of service (crash) via a mask that causes
02 Description
The try_parse_v4_netmask function in hostmask.c in IRCD-Hybrid before 8.0.6 does not properly validate masks, which allows remote attackers to cause a denial of service (crash) via a mask that causes
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 9.96% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 95.1% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2013-02-13 01:00Z13 YR AGO
- Last updated
- 2024-08-06 14:18Z2 YR AGO
- Reserved
- 2012-12-06
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-20Improper Input ValidationClass
- Data version
- 5.1
- Document digest
- eca8e98a8d0f9c2dc30fdf848dbda1c9f5bd40c4d8611f023aeb724d5daf06c0
05 Affected products
06 References
- www.debian.orgDSA-2618http://www.debian.org/security/2013/dsa-2618
- secunia.com52106http://secunia.com/advisories/52106
- www.openwall.com[oss-security] 20130129 ircd-hybrid: Denial of service vulnerability in hostmask.c:try_parse_v4_netmask()http://www.openwall.com/lists/oss-security/2013/01/29/8
- www.mandriva.comMDVSA-2013:093http://www.mandriva.com/security/advisories?name=MDVSA-2013:093
- www.securityfocus.com57610http://www.securityfocus.com/bid/57610
- svn.ircd-hybrid.org:8000http://svn.ircd-hybrid.org:8000/viewcvs.cgi/ircd-hybrid/trunk/src/hostmask.c?r1=1786&r2=1785&pathrev=1786
- secunia.com51948http://secunia.com/advisories/51948
- exchange.xforce.ibmcloud.comircdhybrid-tryparsev4netmask-dos(81695)https://exchange.xforce.ibmcloud.com/vulnerabilities/81695
- wiki.mageia.orghttps://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0055
- osvdb.org89623http://osvdb.org/89623
- www.exploit-db.com24951http://www.exploit-db.com/exploits/24951
- bugs.debian.orghttp://bugs.debian.org/cgi-bin/bugreport.cgi?bug=699267
07 Fixed in
Debian 12
- ircd-hybrid Fixed in 1:7.2.2.dfsg.2-10
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- ircd-hybrid Fixed in 1:7.2.2.dfsg.2-10
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.