| Name | CVE-2018-1000024 |
| Description | The Squid Software Foundation Squid HTTP Caching Proxy version 3.0 to 3.5.27, 4.0 to 4.0.22 contains a Incorrect Pointer Handling vulnerability in ESI Response Processing that can result in Denial of Service for all clients using the proxy.. This attack appear to be exploitable via Remote server delivers an HTTP response payload containing valid but unusual ESI syntax.. This vulnerability appears to have been fixed in 4.0.23 and later. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-1266-1, DSA-4122-1 |
| Debian Bugs | 888719 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| squid (PTS) | buster | 4.6-1+deb10u7 | fixed |
| buster (security) | 4.6-1+deb10u10 | fixed |
| bullseye | 4.13-10+deb11u2 | fixed |
| bullseye (security) | 4.13-10+deb11u3 | fixed |
| bookworm | 5.7-2 | fixed |
| bookworm (security) | 5.7-2+deb12u1 | fixed |
| trixie | 6.6-1 | fixed |
| sid | 6.9-1 | fixed |
| squid3 (PTS) | jessie, jessie (lts) | 3.5.23-5+deb8u7 | fixed |
| stretch (security) | 3.5.23-5+deb9u7 | fixed |
| stretch (lts), stretch | 3.5.23-5+deb9u10 | fixed |
The information below is based on the following data on fixed versions.
Notes
[wheezy] - squid <not-affected> (Not affected according to upstream advisory)
src:squid as source package reintroduced for 4.x in experimental
Squid 3.5: http://www.squid-cache.org/Versions/v3/3.5/changesets/SQUID-2018_1.patch
Squid 4: http://www.squid-cache.org/Versions/v4/changesets/SQUID-2018_1.patch
http://www.squid-cache.org/Advisories/SQUID-2018_1.txt
Squid3 in Debian builds to use the libxml2 or libexpat XML parsers.