Tinyproxy 1.3.2/1.3.3 Connection Request memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.0$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Tinyproxy 1.3.2/1.3.3. Affected is an unknown function of the component Connection Request Handler. Such manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2001-0129. Moreover, an exploit is present. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Tinyproxy 1.3.2/1.3.3 (Firewall Software). It has been rated as critical. Affected by this issue is an unknown code block of the component Connection Request Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Buffer overflow in Tinyproxy HTTP proxy 1.3.3 and earlier allows remote attackers to cause a denial of service and possibly execute arbitrary commands via a long connect request.

The weakness was disclosed 03/12/2001 (Website). The advisory is shared for download at securityfocus.com. This vulnerability is handled as CVE-2001-0129. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are unknown but a public exploit is available.

A public exploit has been developed in ANSI C. The exploit is available at securityfocus.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 14855 (Debian DSA-018-1 : tinyproxy - remote nobody exploit), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 62005 (TinyProxy buffer overflow vulnerability).

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (5954), Exploit-DB (20559), Tenable (14855), SecurityFocus (BID 2217†) and Vulnerability Center (SBV-313†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.0

VulDB Base Score: 10.0
VulDB Temp Score: 9.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 14855
Nessus Name: Debian DSA-018-1 : tinyproxy - remote nobody exploit
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 53781
OpenVAS Name: Debian Security Advisory DSA 018-1 (tinyproxy)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/17/2001 🔍
01/23/2001 +6 days 🔍
03/12/2001 +48 days 🔍
03/12/2001 +0 days 🔍
03/12/2001 +0 days 🔍
12/09/2002 +637 days 🔍
09/29/2004 +660 days 🔍
07/03/2014 +3564 days 🔍
10/08/2025 +4115 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Status: Confirmed

CVE: CVE-2001-0129 (🔍)
GCVE (CVE): GCVE-0-2001-0129
GCVE (VulDB): GCVE-100-16532
X-Force: 5954
SecurityFocus: 2217 - Tinyproxy Heap Overflow Vulnerability
Vulnerability Center: 313 - Buffer Overflow in Tinyproxy <1.3.3, High

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/03/2014 15:46
Updated: 10/08/2025 10:16
Changes: 07/03/2014 15:46 (67), 05/06/2019 09:31 (7), 05/12/2025 13:56 (18), 10/08/2025 10:16 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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