Improper input validation in Ircd-Hybrid
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 class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.100 (95.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.100 · newest: 0.100 · change: 0.000
Affected products
- Ircd-Hybrid — versions 7.2.0, 7.2.1, 7.2.2
Weakness classification (CWE)
References
- www.debian.org/security/2013/dsa-2618 (vendor-advisory)
- secunia.com/advisories/52106 (Vendor Advisory, third-party-advisory)
- www.openwall.com/lists/oss-security/2013/01/29/8 (mailing-list)
- www.mandriva.com/security/advisories (vendor-advisory)
- www.securityfocus.com/bid/57610 (vdb-entry)
- svn.ircd-hybrid.org:8000/viewcvs.cgi/ircd-hybrid/trunk/src/hostmask.c
- secunia.com/advisories/51948 (Vendor Advisory, third-party-advisory)
- exchange.xforce.ibmcloud.com/vulnerabilities/81695 (vdb-entry)
- wiki.mageia.org/en/Support/Advisories/MGASA-2013-0055
- osvdb.org/89623 (vdb-entry)