VDB-12200 · SA56624 · OSVDB 102929

Python up to 3.4 Boundary Check Modules/socketmodule.c sock_recvfrom_into memory corruption

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Python 2.7/3.1/3.2/3.3/3.4. It has been declared as critical. Affected by this issue is the function sock_recvfrom_into of the file Modules/socketmodule.c of the component Boundary Check Handler. Such manipulation leads to memory corruption. Furthermore, an exploit is available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in Python 2.7/3.1/3.2/3.3/3.4 (Programming Language Software) and classified as critical. Affected by this issue is the function sock_recvfrom_into of the file Modules/socketmodule.c of the component Boundary Check 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.

The weakness was published 01/14/2014 by Ryan Smith-Roberts (rmsr) as confirmed advisory (Website). The advisory is shared for download at bugs.python.org. The public release has been coordinated with the vendor. The exploitation is known to be difficult. The attack may be launched remotely. Technical details as well as a public exploit are known.

A public exploit has been developed by Ryan Smith Roberts (rmsr). The exploit is available at bugs.python.org. It is declared as proof-of-concept.

Applying the patch recvform_into_buffer_overflow is able to eliminate this problem. The bugfix is ready for download at bugs.python.org.

The vulnerability is also documented in the databases at OSVDB (102929†) and Secunia (SA56624†). Similar entries are available at VDB-12225 and VDB-66486. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.9
VulDB Meta Temp Score: 8.9

VulDB Base Score: 9.9
VulDB Temp Score: 8.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Ryan Smith Roberts (rmsr)
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: recvform_into_buffer_overflow

Timelineinfo

01/14/2014 🔍
02/05/2014 +22 days 🔍
02/07/2014 +1 days 🔍
08/28/2018 +1663 days 🔍

Sourcesinfo

Advisory: bugs.python.org
Researcher: Ryan Smith-Roberts (rmsr)
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-12200
Secunia: 56624 - Python "sock_recvfrom_into()" Buffer Overflow Vulnerability, Moderately Critical
OSVDB: 102929

See also: 🔍

Entryinfo

Created: 02/07/2014 09:18
Updated: 08/28/2018 07:10
Changes: 02/07/2014 09:18 (55), 08/28/2018 07:10 (1)
Complete: 🔍
Committer:
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you want to use VulDB in your project?

Use the official API to access entries easily!