CVE-2013-0238

Summary

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.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• http://www.debian.org/security/2013/dsa-2618
• http://secunia.com/advisories/52106
• http://www.openwall.com/lists/oss-security/2013/01/29/8
• http://www.mandriva.com/security/advisories?name=MDVSA-2013:093
• http://www.securityfocus.com/bid/57610
• http://svn.ircd-hybrid.org:8000/viewcvs.cgi/ircd-hybrid/trunk/src/hostmask.c?r1=1786&r2=1785&pathrev=1786
• http://secunia.com/advisories/51948
• https://exchange.xforce.ibmcloud.com/vulnerabilities/81695
• https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0055
• http://osvdb.org/89623
• http://www.exploit-db.com/exploits/24951
• http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=699267

References

• http://www.debian.org/security/2013/dsa-2618
• http://secunia.com/advisories/52106
• http://www.openwall.com/lists/oss-security/2013/01/29/8
• http://www.mandriva.com/security/advisories?name=MDVSA-2013:093
• http://www.securityfocus.com/bid/57610
• http://svn.ircd-hybrid.org:8000/viewcvs.cgi/ircd-hybrid/trunk/src/hostmask.c?r1=1786&r2=1785&pathrev=1786
• http://secunia.com/advisories/51948
• https://exchange.xforce.ibmcloud.com/vulnerabilities/81695
• https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0055
• http://osvdb.org/89623
• http://www.exploit-db.com/exploits/24951
• http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=699267

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