Description
The receive_msg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free) via vectors involving BDAT commands.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://www.securitytracker.com/id/1039872 ↗
- https://lists.exim.org/lurker/message/20171125.034842.d1d75cac.en.html ↗
- https://git.exim.org/exim.git/commit/4090d62a4b25782129cc1643596dc2f6e8f63bde ↗
- http://openwall.com/lists/oss-security/2017/11/25/3 ↗
- https://github.com/LetUsFsck/PoC-Exploit-Mirror/tree/master/CVE-2017-16944 ↗
- http://openwall.com/lists/oss-security/2017/11/25/1 ↗
- https://git.exim.org/exim.git/commitdiff/4e6ae6235c68de243b1c2419027472d7659aa2b4 ↗
- http://openwall.com/lists/oss-security/2017/11/25/2 ↗
- https://www.debian.org/security/2017/dsa-4053 ↗
- https://bugs.exim.org/show_bug.cgi?id=2199 ↗
- http://www.openwall.com/lists/oss-security/2021/05/04/7 ↗