Summary
Helmut Grohne discovered that Heimdal GSSAPI incorrectly handled logical
conditions that are related to memory management operations.
An attacker could possibly use this issue to cause a denial of service.
Fixed packages 4
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 18.04 LTS 18.04:LTS | heimdal | 7.5.0+dfsg-1ubuntu0.4 |
| Ubuntu · 20.04 LTS 20.04:LTS | heimdal | 7.7.0+dfsg-1ubuntu1.4 |
| Ubuntu · Pro 14.04 LTS Pro:14.04:LTS | heimdal | 1.6~git20131207+dfsg-1ubuntu1.2+esm4 |
| Ubuntu · Pro 16.04 LTS Pro:16.04:LTS | heimdal | 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4 |
Vulnerabilities 1
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High 7.5
The fix for CVE-2022-3437 included changing memcmp to be constant time and a workaround for a compiler bug by adding "!…
References
-
report
https://ubuntu.com/security/CVE-2022-45142