CVE-2020-35766

Published: Dec 28, 2020Modified: Nov 21, 2024

7.8

Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitability: 1.8 / Impact: 5.9

Source: NVD

Description

The test suite in libopendkim in OpenDKIM through 2.10.3 allows local users to gain privileges via a symlink attack against the /tmp/testkeys file (related to t-testdata.h, t-setup.c, and t-cleanup.c). NOTE: this is applicable to persons who choose to engage in the "A number of self-test programs are included here for unit-testing the library" situation.

Affected (1)

Products: Opendkim: Opendkim

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Opendkim Opendkim	Up to 2.10.3

Related CWEs

Improper Link Resolution Before File Access ('Link Following')

The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

References (2)

https://github.com/trusteddomainproject/OpenDKIM/issues/113

Source: cve@mitre.org

ExploitPatchThird Party Advisory

https://github.com/trusteddomainproject/OpenDKIM/issues/113

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitPatchThird Party Advisory

Timeline

No history available yet.