Information disclosure in Tinyproxy



Published: 2022-09-19 | Updated: 2023-08-20
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-40468
CWE-ID CWE-1188
Exploitation vector Network
Public exploit N/A
Vulnerable software
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tinyproxy
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Vendor tinyproxy

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Insecure Default Initialization of Resource

EUVDB-ID: #VU79737

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 - Insecure Default Initialization of Resource

Exploit availability: No

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

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


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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