Use After Free Affecting exim4 package, versions <4.89-12
Snyk CVSS
Attack Complexity
Low
Confidentiality
High
Integrity
High
Availability
High
Threat Intelligence
EPSS
52.7% (98th
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN11-EXIM4-515230
- published 25 Nov 2017
- disclosed 25 Nov 2017
Introduced: 25 Nov 2017
CVE-2017-16943 Open this link in a new tabHow to fix?
Upgrade Debian:11
exim4
to version 4.89-12 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream exim4
package and not the exim4
package as distributed by Debian
.
See How to fix?
for Debian:11
relevant fixed versions and status.
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.