| Name | CVE-2023-34981 |
| Description | A regression in the fix for bug 66512 in Apache Tomcat 11.0.0-M5, 10.1.8, 9.0.74 and 8.5.88 meant that, if a response did not include any HTTP headers no AJP SEND_HEADERS messare woudl be sent for the response which in turn meant that at least one AJP proxy (mod_proxy_ajp) would use the response headers from the previous request leading to an information leak. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| tomcat10 (PTS) | bookworm (security), bookworm | 10.1.6-1+deb12u2 | fixed |
| sid, trixie | 10.1.34-1 | fixed |
| tomcat7 (PTS) | jessie, jessie (lts) | 7.0.56-3+really7.0.109-1+deb8u6 | fixed |
| stretch | 7.0.75-1 | fixed |
| tomcat8 (PTS) | jessie, jessie (lts) | 8.0.14-1+deb8u28 | fixed |
| stretch (security) | 8.5.54-0+deb9u8 | fixed |
| stretch (lts), stretch | 8.5.54-0+deb9u15 | fixed |
| tomcat9 (PTS) | buster (security), buster, buster (lts) | 9.0.31-1~deb10u12 | fixed |
| bullseye (security), bullseye | 9.0.43-2~deb11u10 | fixed |
| bookworm | 9.0.70-2 | fixed |
| sid, trixie | 9.0.95-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| tomcat10 | source | bookworm | (not affected) | | | |
| tomcat10 | source | (unstable) | 10.1.10-1 | | | |
| tomcat7 | source | (unstable) | (not affected) | | | |
| tomcat8 | source | jessie | (not affected) | | | |
| tomcat8 | source | stretch | (not affected) | | | |
| tomcat8 | source | (unstable) | (unfixed) | | | |
| tomcat9 | source | (unstable) | (not affected) | | | |
Notes
[bookworm] - tomcat10 <not-affected> (Issue introduced in 10.1.8)
- tomcat9 <not-affected> (Vulnerable code introduced in 9.0.74)
https://lists.apache.org/thread/j1ksjh9m9gx1q60rtk1sbzmxhvj5h5qz
Introduced due to fix for: https://bz.apache.org/bugzilla/show_bug.cgi?id=66512
Fixed by: https://bz.apache.org/bugzilla/show_bug.cgi?id=66591
- tomcat7 <not-affected> (Vulnerable code introduced later)
[stretch] - tomcat8 <not-affected> (Vulnerable code introduced in 8.5.88)
[jessie] - tomcat8 <not-affected> (Vulnerable code introduced later)