CVE-2012-3519: tor
CVSS: 5.0v2.0MediumModified
AliasesDEBIAN-CVE-2012-3519
Published 26-08-2012Last modified 06-08-2024
Vulnerability summary
CVE-2012-3519 is a medium (CVSS 5.0) vulnerability in tor. EPSS estimates a 2.42% chance of exploitation in the next 30 days, higher than 83.9% of scored vulnerabilities.
CVSS score
5.0/10
010
Medium · v2.0 (NVD)EPSS score
2.42%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 2 · Related 1Timeline
- 26-08-2012PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
routerlist.c in Tor before 0.2.2.38 uses a different amount of time for relay-list iteration depending on which relay is chosen, which might allow remote attackers to obtain sensitive information about relay selection via a timing side-channel attack.
CVSS metrics
1 score · 1 source · 1 versionMedium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
2.42%
Chance of exploitation in the next 30 days
Percentile
84%
Versus all other CVEs
30-day change
0.00 pp
From 2.42% on 20-09-2026
20-09-202620-10-2026
EPSS score2.42%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- tor< 0.2.3.20-rc-1
Tor1 product
- tor≤ 0.2.2.37
2 vendors · 2 products
References
9 links- trac.torproject.org/projects/tor/ticket/6537X Refsource CONFIRM