Vulnerability in Squid-Cache Squid
CVE-2011-4096
The idnsGrokReply function in Squid before 3.1.16 does not properly free memory, which allows remote attackers to cause a denial of service (daemon abort) via a DNS reply containing a CNAME record that references another CNAME record that contains an empty A record.
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: 0.372 (98.5th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.372 · newest: 0.372 · change: 0.000
Affected products
- Squid-Cache Squid — versions 3.0, 3.0.stable1, 3.0.stable2
Weakness classification (CWE)
References
- bugs.squid-cache.org/show_bug.cgi
- www.redhat.com/support/errata/RHSA-2011-1791.html (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html (vendor-advisory)
- www.openwall.com/lists/oss-security/2011/10/31/5 (mailing-list)
- www.securitytracker.com/id (vdb-entry)
- www.openwall.com/lists/oss-security/2011/11/01/3 (mailing-list)
- www.mandriva.com/security/advisories (vendor-advisory)
- secunia.com/advisories/46609 (Vendor Advisory, third-party-advisory)
- www.squid-cache.org/Versions/v3/3.1/changesets/SQUID_3_1_16.html
- lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html (vendor-advisory)