Out-of-bounds read in mastodon



Published: 2022-11-18
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-125
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Mastodon
Server applications / Other server solutions

Vendor Mastodon

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Out-of-bounds read

EUVDB-ID: #VU69421

Risk: Medium

CVSSv3.1:

CVE-ID: N/A

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in blurhash transcoder. A remote attacker can trigger out-of-bounds read error and read contents of memory on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mastodon: 3.4.0 - 3.5.3

CPE2.3 External links

http://github.com/mastodon/mastodon/releases/tag/v4.0.0
http://github.com/mastodon/mastodon/releases/tag/v3.4.9
http://github.com/mastodon/mastodon/releases/tag/v3.5.4

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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