Vulnerability Details : 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 a negative number to be parsed.
Vulnerability category: Denial of service
Products affected by CVE-2013-0238
- cpe:2.3:a:ircd-hybrid:ircd-hybrid:*:*:*:*:*:*:*:*
- cpe:2.3:a:ircd-hybrid:ircd-hybrid:7.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:ircd-hybrid:ircd-hybrid:7.2.3:*:*:*:*:*:*:*
- cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:ircd-hybrid:ircd-hybrid:7.3.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:ircd-hybrid:ircd-hybrid:7.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.0:beta1:*:*:*:*:*:*
- cpe:2.3:a:ircd-hybrid:ircd-hybrid:7.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.0:beta3:*:*:*:*:*:*
- cpe:2.3:a:ircd-hybrid:ircd-hybrid:7.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:ircd-hybrid:ircd-hybrid:7.3.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2013-0238
39.23%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 97 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2013-0238
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST |
CWE ids for CVE-2013-0238
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2013-0238
-
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=699267
#699267 - ircd-hybrid: CVE-2013-0238 Denial of service vulnerability in hostmask.c:try_parse_v4_netmask() - Debian Bug report logs
-
https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0055
Support/Advisories/MGASA-2013-0055 - Mageia wiki
-
http://svn.ircd-hybrid.org:8000/viewcvs.cgi/ircd-hybrid/trunk/src/hostmask.c?r1=1786&r2=1785&pathrev=1786
[svn] Diff of /ircd-hybrid/trunk/src/hostmask.c
-
http://www.securityfocus.com/bid/57610
IRCD-Hybrid 'try_parse_v4_netmask()' Denial of Service Vulnerability
-
http://www.openwall.com/lists/oss-security/2013/01/29/8
oss-security - ircd-hybrid: Denial of service vulnerability in hostmask.c:try_parse_v4_netmask()
-
http://secunia.com/advisories/52106
Sign inVendor Advisory
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http://osvdb.org/89623
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https://exchange.xforce.ibmcloud.com/vulnerabilities/81695
IRCD-Hybrid try_parse_v4_netmask() denial of service CVE-2013-0238 Vulnerability Report
-
http://www.exploit-db.com/exploits/24951
ircd-hybrid 8.0.5 - Denial of Service - Linux dos Exploit
-
http://www.mandriva.com/security/advisories?name=MDVSA-2013:093
mandriva.com
-
http://www.debian.org/security/2013/dsa-2618
Debian -- Security Information -- DSA-2618-1 ircd-hybrid
-
http://secunia.com/advisories/51948
Sign inVendor Advisory
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