CVE-2015-2689

Tor before 0.2.4.26 and 0.2.5.x before 0.2.5.11 does not properly handle pending-connection resolve states during periods of high DNS load, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) via crafted packets.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://lists.torproject.org/pipermail/tor-talk/2015-March/037281.html	Mailing List Vendor Advisory
https://trac.torproject.org/projects/tor/ticket/14129	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:torproject:tor::::::::
	cpe:2.3:a:torproject:tor::::::::

History

No history.

Information

Published : 2020-01-24 18:15

Updated : 2024-02-04 20:39

NVD link : CVE-2015-2689

Mitre link : CVE-2015-2689

CVE.ORG link : CVE-2015-2689

JSON object : View

Products Affected

torproject

tor

CWE

CWE-20

Improper Input Validation

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