Vulnerability in Squid-Cache Squid
CVE-2019-12854
Due to incorrect string termination, Squid cachemgr.cgi 4.0 through 4.7 may access unallocated memory. On systems with memory access protections, this can cause the CGI process to terminate unexpectedly, resulting in a denial of service for all clients using it.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.117 (95.9th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.117 · newest: 0.117 · change: 0.000
Affected products
- Squid-Cache Squid
- Canonical Ubuntu Linux — versions 16.04, 18.04, 19.04
- Debian Linux — versions 10.0
- Fedoraproject Fedora — versions 29
- openSUSE Leap — versions 15.0, 15.1
References
- www.squid-cache.org/Advisories/SQUID-2019_1.txt (Vendor Advisory)
- bugs.squid-cache.org/show_bug.cgi (Vendor Advisory)
- www.squid-cache.org/Versions/v4/changesets/squid-4-2981a957716c61ff7e21eee1d7d6… (Patch, Vendor Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/…
- www.debian.org/security/2019/dsa-4507 (vendor-advisory, Third Party Advisory)
- seclists.org/bugtraq/2019/Aug/42 (mailing-list, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2019-11/msg00053.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2019-11/msg00056.html (vendor-advisory, Mailing List, Third Party Advisory)
- usn.ubuntu.com/4213-1/ (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-12854?
- CVE-2019-12854 is a high-severity vulnerability in Squid-Cache Squid. CVSS score: 7.5/10. Published 2019-08-15.
- How severe is CVE-2019-12854?
- High severity. CVSS v3 base score is 7.5 out of 10.