CVE-2012-3519

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Published Aug 26, 2012 CVSS 2.0 · 5.0 Medium EPSS 2.4% KEV · Not listed

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:tor:tor:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2012-3474	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.

Metrics

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: 2.4% (2.422% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
http://lists.opensuse.org/opensuse-updates/2012-08/msg00048.html
http://openwall.com/lists/oss-security/2012/08/21/6
http://secunia.com/advisories/50583
http://security.gentoo.org/glsa/glsa-201301-03.xml
https://gitweb.torproject.org/tor.git/commit/308f6dad20675c42b29862f4269ad1fbfb00dc9a
https://gitweb.torproject.org/tor.git/commit/d48cebc5e498b0ae673635f40fc57cdddab45d5b
https://lists.torproject.org/pipermail/tor-announce/2012-August/000086.html
https://trac.torproject.org/projects/tor/ticket/6537

History

No history.

Subscriptions

Tor Tor

Weaknesses

CWE-200

Sources

CVE record Updated: Aug 6, 2024, 8:05 PM

Status: PUBLISHED
Assigner: redhat
Published: Aug 26, 2012, 1:00 AM
Updated: Aug 6, 2024, 8:05 PM
Reserved: Jun 14, 2012, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 16, 2026, 11:43 PM

Status: Modified
Published: Aug 26, 2012, 3:17 AM
Modified: Jun 16, 2026, 11:43 PM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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