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CVE-2020-35766

HIGH
7.8
CVSS Score
Published: December 28, 2020 at 07:21 PM UTC
Updated: June 17, 2026 at 03:14 AM UTC
1 product affected across 1 vendorOpendkim

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Severity
HIGH7.8
Exploit prediction
EPSS 0.5%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Opendkim· Opendkim
95%
v ≤ 2.10.3

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCExploitPatchThird Party Advisory
Source: [email protected]
https://github.com/trusteddomainproject/OpenDKIM/issues/113

CVSS

7.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-59

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