| Name | CVE-2019-19269 |
| Description | An issue was discovered in tls_verify_crl in ProFTPD through 1.3.6b. A dereference of a NULL pointer may occur. This pointer is returned by the OpenSSL sk_X509_REVOKED_value() function when encountering an empty CRL installed by a system administrator. The dereference occurs when validating the certificate of a client connecting to the server in a TLS client/server mutual-authentication setup. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2018-1 |
| Debian Bugs | 946345 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| proftpd-dfsg (PTS) | bullseye | 1.3.7a+dfsg-12+deb11u2 | fixed |
| bullseye (security) | 1.3.7a+dfsg-12+deb11u5 | fixed | |
| bookworm, bookworm (security) | 1.3.8+dfsg-4+deb12u4 | fixed | |
| trixie | 1.3.8.c+dfsg-4 | fixed | |
| forky, sid | 1.3.9~dfsg-3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| proftpd-dfsg | source | jessie | 1.3.5e+r1.3.5-2+deb8u5 | DLA-2018-1 | ||
| proftpd-dfsg | source | stretch | 1.3.5b-4+deb9u3 | |||
| proftpd-dfsg | source | buster | 1.3.6-4+deb10u3 | |||
| proftpd-dfsg | source | (unstable) | 1.3.6b-2 | 946345 |
https://github.com/proftpd/proftpd/issues/861
https://github.com/proftpd/proftpd/commit/81cc5dce4fc0285629a1b08a07a109af10c208dd (master)
https://github.com/proftpd/proftpd/commit/be8e1687819cb665359bd62b4c896ff4b1a09c3f (1.3.6 branch)