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CVE-2008-5397

18
FAUCET Score

CVE-2008-5397 describes a privilege escalation vulnerability in Tor versions prior to 0.2.0.32, stemming from improper handling of User and Group configuration options. This flaw allows local attackers to gain elevated privileges by manipulating unintended supplementary group memberships of the Tor process. With a CVSS score of 7.2 (High), it presents a low attack complexity with complete confidentiality, integrity, and availability impacts. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this decade-old vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.1.2.31CPE matchmatch criteria
cpe:2.3:a:tor:tor:*:*:*:*:*:*:*:*
0.0.2CPE matchmatch criteria
cpe:2.3:a:tor:tor:0.0.2:*:*:*:*:*:*:*
0.0.2_pre13CPE matchmatch criteria
cpe:2.3:a:tor:tor:0.0.2_pre13:*:*:*:*:*:*:*
0.0.2_pre14CPE matchmatch criteria
cpe:2.3:a:tor:tor:0.0.2_pre14:*:*:*:*:*:*:*
0.0.2_pre15CPE matchmatch criteria
cpe:2.3:a:tor:tor:0.0.2_pre15:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.2HIGH

AV:L/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.36%
Probability of exploitation in next 30 days
EPSS Percentile
28.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0036 is in the 30th percentile among its peer group of 3,241 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.5 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2008-5397Low

tor: does not properly process User/Group configuration options (privilege escalation)

Dec 4, 2008

References

blog.torproject.org / blog/tor-0.2.0.32-released
secunia.com / advisories/33025
Vendor Advisory
secunia.com / advisories/34583
security.gentoo.org / glsa/glsa-200904-11.xml
exchange.xforce.ibmcloud.com / vulnerabilities/47101
securityfocus.com / bid/32648
Patch
vupen.com / english/advisories/2008/3366