vulnwire
7.5high

CVE-2017-16944in critical feed1 exploit

The receive_msg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to cause a denial of service (infini…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
63.4%
percentile 99%
Public exploits
1
Exploit-DB

The receive_msg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to cause a denial of service (infinite loop and stack exhaustion) via vectors involving BDAT commands and an improper check for a '.' character signifying the end of the content, related to the bdat_getc function.

Exploit prediction (EPSS)

63.36% probability of exploitation in the next 30 days, higher than 99% of all scored CVEs.

Exploits and detections

  • EDB-43184 Exim 4.89 - 'BDAT' Denial of Service · dos · 2017-11-27

CVSS scores

Assigned byVersionScoreVector
NVD3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-835 Loop with Unreachable Exit Condition

References

  • lists.exim.org /lurker/message/20171125.034842.d1d75cac.en.html · x_refsource_MISC, x_transferred
  • openwall.com /lists/oss-security/2017/11/25/3 · x_refsource_MISC, x_transferred
  • bugs.exim.org /show_bug.cgi?id=2201 · x_refsource_MISC, x_transferred
  • openwall.com /lists/oss-security/2017/11/25/1 · x_refsource_MISC, x_transferred
  • securitytracker.com /id/1039873 · vdb-entry, x_refsource_SECTRACK, 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
  • exploit-db.com /exploits/43184/ · exploit, x_refsource_EXPLOIT-DB, x_transferred
  • openwall.com /lists/oss-security/2021/05/04/7 · mailing-list, x_refsource_MLIST, x_transferred

Sources

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