Vulnerability identifier: #VU79737

Vulnerability risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-40468

CWE-ID: CWE-1188

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
tinyproxy
Other software / Other software solutions

Vendor: tinyproxy

Description

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

The vulnerability exists due to potential leak of left-over heap data if custom error page templates contain special non-standard variables. A remote attacker can gain access to sensitive information.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

tinyproxy: 1.11.0 - 1.11.1

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External links
http://github.com/tinyproxy/tinyproxy/issues/457
http://github.com/tinyproxy/tinyproxy/blob/84f203fb1c4733608c7283bbe794005a469c4b00/src/reqs.c#L346
http://github.com/tinyproxy/tinyproxy/issues/457#issuecomment-1264176815
http://security.gentoo.org/glsa/202305-27

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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.