Fedora 37 update for tor



Published: 2023-11-13
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-617
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Operating systems & Components / Operating system

tor
Operating systems & Components / Operating system package or component

Vendor Fedoraproject

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Reachable Assertion

EUVDB-ID: #VU83031

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-617 - Reachable Assertion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a reachable assertion when recording a failed rendezvous circuit on the service side for the MetricsPort. A remote attacker can perform a denial of service attack of the onion service.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 37

tor: before 0.4.8.9-1.fc37

CPE2.3 External links

http://bodhi.fedoraproject.org/updates/FEDORA-2023-f73b2bc240


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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