CVE-2017-16943
CRITICAL 9.8EPSS 47.1%
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.
- CVSS v3.0 NVD
- 9.8 CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS v2.0 NVD
- 7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P - EPSS
- 47.15% chance of exploitation in the next 30 days, 99th percentile
- Published
- 2017-11-25
- Updated
- 2024-08-05
Proof-of-concept exploits (4)
- https://bugs.exim.org/show_bug.cgi?id=2199
- LetUsFsck/PoC-Exploit-Mirror/tree/master/CVE-2017-1694420★ · 2017-11-26
- beraphin/CVE-2017-169430★ · 2019-11-14
- dbrumley/exim-examples0★ · 2024-02-11
Exploit collections (1)
- CVE-2017-16943_RCE.pyhelloexp/0day
Security advisories
- http://www.securitytracker.com/id/1039872
- https://www.debian.org/security/2017/dsa-4053
- https://git.exim.org/exim.git/commit/4090d62a4b25782129cc1643596dc2f6e8f63bde
- https://git.exim.org/exim.git/commitdiff/4e6ae6235c68de243b1c2419027472d7659aa2b4