9.8crit

CVE-2017-16943in critical feed

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…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
9.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
47.1%
percentile 99%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

47.15% probability of exploitation in the next 30 days, higher than 99% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.09.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD2.07.5AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

References

  • securitytracker.com /id/1039872 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • lists.exim.org /lurker/message/20171125.034842.d1d75cac.en.html · x_refsource_MISC, x_transferred
  • git.exim.org /exim.git/commit/4090d62a4b25782129cc1643596dc2f6e8f63bde · x_refsource_MISC, x_transferred
  • openwall.com /lists/oss-security/2017/11/25/3 · x_refsource_MISC, x_transferred
  • github.com /LetUsFsck/PoC-Exploit-Mirror/tree/master/CVE-2017-16944 · x_refsource_MISC, x_transferred
  • openwall.com /lists/oss-security/2017/11/25/1 · x_refsource_MISC, x_transferred
  • git.exim.org /exim.git/commitdiff/4e6ae6235c68de243b1c2419027472d7659aa2b4 · x_refsource_MISC, x_transferred
  • openwall.com /lists/oss-security/2017/11/25/2 · x_refsource_MISC, x_transferred
  • debian.org /security/2017/dsa-4053 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • bugs.exim.org /show_bug.cgi?id=2199 · x_refsource_MISC, x_transferred
  • openwall.com /lists/oss-security/2021/05/04/7 · mailing-list, x_refsource_MLIST, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.