CVE-2008-5397

CVE-2008-5397 is a high-severity vulnerability in Tor with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Description

Tor before 0.2.0.32 does not properly process the (1) User and (2) Group configuration options, which might allow local users to gain privileges by leveraging unintended supplementary group memberships of the Tor process.

Frequently asked questions

What is CVE-2008-5397?
Tor before 0.2.0.32 does not properly process the (1) User and (2) Group configuration options, which might allow local users to gain privileges by leveraging unintended supplementary group memberships of the Tor process.
How severe is CVE-2008-5397?
CVE-2008-5397 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2008-5397 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-5397?
CVE-2008-5397 primarily affects Tor. In total, 100 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-5397?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2008-5397 published?
CVE-2008-5397 was published on 2008-12-09 and last updated on 2026-06-16.

References

Affected products (100)

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