Upstream information

CVE-2017-16943 at MITRE

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.

SUSE information

Overall state of this security issue: Does not affect SUSE products

This issue is currently rated as having critical severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 7.5
Vector AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database
Base Score 9.8
Vector AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Access Vector Network
Access Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
SUSE Bugzilla entry: 1069857 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
openSUSE Leap 42.2
  • exim >= 4.86.2-10.9.1
  • exim-debuginfo >= 4.86.2-10.9.1
  • exim-debugsource >= 4.86.2-10.9.1
  • eximon >= 4.86.2-10.9.1
  • eximon-debuginfo >= 4.86.2-10.9.1
  • eximstats-html >= 4.86.2-10.9.1
 Patchnames:
openSUSE-2017-1342
openSUSE Leap 42.3
  • exim >= 4.86.2-17.1
  • exim-debuginfo >= 4.86.2-17.1
  • exim-debugsource >= 4.86.2-17.1
  • eximon >= 4.86.2-17.1
  • eximon-debuginfo >= 4.86.2-17.1
  • eximstats-html >= 4.86.2-17.1
 Patchnames:
openSUSE-2017-1342