CVE-2018-0491 - Vulnerability Details - OpenCVE

Description

A use-after-free issue was discovered in Tor 0.3.2.x before 0.3.2.10. It allows remote attackers to cause a denial of service (relay crash) because the KIST implementation allows a channel to be added more than once in the pending list.

Published: 2018-03-05

Score: 7.5 High

EPSS: 8.0% Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

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

Tor

affected

Version	Status	Constraints
`Tor`	affected	—

Configuration 1 [-]

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

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2018-1314	A use-after-free issue was discovered in Tor 0.3.2.x before 0.3.2.10. It allows remote attackers to cause a denial of service (relay crash) because the KIST implementation allows a channel to be added more than once in the pending list.

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.08038.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://blog.torproject.org/new-stable-tor-releases-security-fixes-and-dos-prevention-03210-03110-02915
https://trac.torproject.org/projects/tor/ticket/24700
https://trac.torproject.org/projects/tor/ticket/25117
https://www.exploit-db.com/exploits/44994/

History

No history.

Subscriptions

Torproject Tor

MITRE

Status: PUBLISHED

Assigner: debian

Published: 2018-03-05T15:00:00.000Z

Updated: 2024-08-05T03:28:10.940Z

Reserved: 2017-11-27T00:00:00.000Z

Link: CVE-2018-0491

Vulnrichment

No data.

NVD

Status : Modified

Published: 2018-03-05T15:29:00.270

Modified: 2024-11-21T03:38:20.637

Link: CVE-2018-0491

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-416

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