Vulnerability identifier: #VU79736

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2002-0847

CWE-ID: CWE-415

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
tinyproxy
Other software / Other software solutions

Vendor: tinyproxy

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when handling HTTP requests. A remote attacker can send a specially crafted HTTP request to the server, trigger a double free error and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

tinyproxy: 1.3.0 - 1.5.0

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External links
http://sourceforge.net/project/shownotes.php?release_id=88790
http://www.iss.net/security_center/static/9079.php
http://www.securityfocus.com/bid/4731
http://www.debian.org/security/2002/dsa-145

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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.