| Name | CVE-2009-0025 |
| Description | BIND 9.6.0, 9.5.1, 9.5.0, 9.4.3, and earlier does not properly check the return value from the OpenSSL DSA_verify function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-1703-1 |
| Debian Bugs | 511936 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| bind9 (PTS) | buster | 1:9.11.5.P4+dfsg-5.1+deb10u7 | fixed |
| buster (security) | 1:9.11.5.P4+dfsg-5.1+deb10u10 | fixed | |
| bullseye | 1:9.16.44-1~deb11u1 | fixed | |
| bullseye (security) | 1:9.16.48-1 | fixed | |
| bookworm | 1:9.18.19-1~deb12u1 | fixed | |
| bookworm (security) | 1:9.18.24-1 | fixed | |
| trixie, sid | 1:9.19.21-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| bind9 | source | etch | 1:9.3.4-2etch4 | DSA-1703-1 | ||
| bind9 | source | (unstable) | 1:9.5.1.dfsg.P1-1 | low | 511936 |
unlike the advisory states it is DSA_do_verify not DSA_verify
low severity because it is believed hard to trigger and only
affects DNSSEC with DSA, which is supposedly rarely used.