| Name | CVE-2018-16890 |
| Description | libcurl versions from 7.36.0 to before 7.64.0 is vulnerable to a heap buffer out-of-bounds read. The function handling incoming NTLM type-2 messages (`lib/vauth/ntlm.c:ntlm_decode_type2_target`) does not validate incoming data correctly and is subject to an integer overflow vulnerability. Using that overflow, a malicious or broken NTLM server could trick libcurl to accept a bad length + offset combination that would lead to a buffer read out-of-bounds. |
| 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-1672-1, DSA-4386-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| curl (PTS) | jessie, jessie (lts) | 7.38.0-4+deb8u28 | fixed |
| stretch (security) | 7.52.1-5+deb9u16 | fixed |
| stretch (lts), stretch | 7.52.1-5+deb9u22 | fixed |
| buster, buster (lts) | 7.64.0-4+deb10u10 | fixed |
| buster (security) | 7.64.0-4+deb10u9 | fixed |
| bullseye | 7.74.0-1.3+deb11u13 | fixed |
| bullseye (security) | 7.74.0-1.3+deb11u14 | fixed |
| bookworm | 7.88.1-10+deb12u8 | fixed |
| bookworm (security) | 7.88.1-10+deb12u5 | fixed |
| sid, trixie | 8.11.0-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| curl | source | wheezy | (not affected) | | | |
| curl | source | jessie | 7.38.0-4+deb8u14 | | DLA-1672-1 | |
| curl | source | stretch | 7.52.1-5+deb9u9 | | DSA-4386-1 | |
| curl | source | (unstable) | 7.64.0-1 | | | |
Notes
https://curl.haxx.se/docs/CVE-2018-16890.html
Fixed by: https://github.com/curl/curl/commit/b780b30d1377adb10bbe774835f49e9b237fb9bb
Introduced by: https://github.com/curl/curl/commit/86724581b6c02d160b52f817550cfdfc9c93af62
[wheezy] - curl <not-affected> (Vulnerabe code not present)