Multiple vulnerabilities in Tinyproxy

Published: 2024-05-02

Risk	High
Patch available	NO
Number of vulnerabilities	2
CVE-ID	CVE-2023-40533 CVE-2023-49606
CWE-ID	CWE-457 CWE-416
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	tinyproxy Other software / Other software solutions
Vendor	tinyproxy

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Use of Uninitialized Variable

EUVDB-ID: #VU89114

Risk: Medium

CVSSv3.1: 5.4 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2023-40533

CWE-ID: CWE-457 - Use of Uninitialized Variable

Exploit availability: No

Description

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

The vulnerability exists due to uninitialized variable while parsing HTTP requests. A remote attacker can send a specially crafted HTTP request and gain unauthorized access to sensitive information on the system.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

tinyproxy: 1.11.1

External links

http://talosintelligence.com/vulnerability_reports/TALOS-2023-1902

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.

2) Use-after-free

EUVDB-ID: #VU89115

Risk: High

CVSSv3.1: 9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2023-49606

CWE-ID: CWE-416 - Use After Free