Python 2.4/2.5 strxfrm numeric error

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Python 2.4/2.5. This impacts the function strxfrm. This manipulation causes numeric error. The identification of this vulnerability is CVE-2007-2052. Furthermore, there is an exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Python 2.4/2.5 (Programming Language Software). Affected by this vulnerability is the function strxfrm. The manipulation with an unknown input leads to a numeric error vulnerability. The CWE definition for the vulnerability is CWE-189. As an impact it is known to affect confidentiality. The summary by CVE is:

Off-by-one error in the PyLocale_strxfrm function in Modules/_localemodule.c for Python 2.4 and 2.5 causes an incorrect buffer size to be used for the strxfrm function, which allows context-dependent attackers to read portions of memory via unknown manipulations that trigger a buffer over-read due to missing null termination.

The bug was discovered 03/31/2007. The weakness was shared 04/16/2007 (Website). It is possible to read the advisory at issues.rpath.com. This vulnerability is known as CVE-2007-2052 since 04/16/2007. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.

A public exploit has been developed in Python. It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 16 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 67896 (Oracle Linux 5 : python (ELSA-2009-1176)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 155847 (Oracle Enterprise Linux Update for Python (ELSA-2009-1176)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 years after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (34060), Exploit-DB (30018), Tenable (67896), SecurityFocus (BID 23887†) and OSVDB (35247†). The entry VDB-38860 is related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
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: 67896
Nessus Name: Oracle Linux 5 : python (ELSA-2009-1176)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 60798
OpenVAS Name: Debian Security Advisory DSA 1551-1 (python2.4)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

03/31/2007 🔍
03/31/2007 +0 days 🔍
04/16/2007 +16 days 🔍
04/16/2007 +0 days 🔍
04/16/2007 +0 days 🔍
05/08/2007 +22 days 🔍
05/14/2007 +6 days 🔍
07/27/2009 +805 days 🔍
11/23/2009 +119 days 🔍
07/12/2013 +1327 days 🔍
03/13/2015 +609 days 🔍
01/15/2025 +3596 days 🔍

Sourcesinfo

Advisory: issues.rpath.com⛔
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-2052 (🔍)
GCVE (CVE): GCVE-0-2007-2052
GCVE (VulDB): GCVE-100-36199

OVAL: 🔍

X-Force: 34060
SecurityFocus: 23887 - Python PyLocale_strxfrm Function Remote Information Leak Vulnerability
Secunia: 37471
OSVDB: 35247 - CVE-2007-2052 - Python - Buffer Overflow Issue
Vulnerability Center: 15088 - Python Unspecified Memory Leakage due to Missing Null Termination, Medium
Vupen: ADV-2007-1465

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

Entryinfo

Created: 03/13/2015 14:56
Updated: 01/15/2025 19:34
Changes: 03/13/2015 14:56 (83), 07/19/2019 08:01 (6), 01/15/2025 19:34 (19)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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