| Name | CVE-2020-10957 |
| Description | In Dovecot before 2.3.10.1, unauthenticated sending of malformed parameters to a NOOP command causes a NULL Pointer Dereference and crash in submission-login, submission, or lmtp. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| References | DSA-4690-1 |
| NVD severity | medium |
| Debian Bugs | 960963 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| dovecot (PTS) | jessie | 1:2.2.13-12~deb8u4 | fixed |
| jessie (security) | 1:2.2.13-12~deb8u7 | fixed | |
| stretch (security), stretch | 1:2.2.27-3+deb9u5 | fixed | |
| buster | 1:2.3.4.1-5+deb10u1 | vulnerable | |
| buster (security) | 1:2.3.4.1-5+deb10u2 | fixed | |
| sid | 1:2.3.7.2-1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| dovecot | source | (unstable) | (unfixed) | 960963 | ||
| dovecot | source | buster | 1:2.3.4.1-5+deb10u2 | DSA-4690-1 | ||
| dovecot | source | jessie | (not affected) | |||
| dovecot | source | stretch | (not affected) |
[stretch] - dovecot <not-affected> (Vulnerable code introduced in 2.3.0)
[jessie] - dovecot <not-affected> (Vulnerable code introduced in 2.3.0)
https://www.openwall.com/lists/oss-security/2020/05/18/1