VDB-4307 · SA42321

Sumatra PDF 1.x 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.
6.0$0-$5k0.00

A vulnerability was found in Sumatra PDF 1.x (Document Reader Software) and classified as critical. This issue affects some unknown functionality. 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 disclosed 02/24/2011 by Stefan Cornelius with Secunia (Website). It is possible to read the advisory at secunia.com. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available.

We expect the 0-day to have been worth approximately $25k-$100k.

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at secunia.com. The best possible mitigation is suggested to be upgrading to the latest version.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: secunia.com

Timelineinfo

02/24/2011 🔍
02/24/2011 +0 days 🔍
03/21/2011 +25 days 🔍
04/24/2018 +2591 days 🔍

Sourcesinfo

Advisory: secunia.com⛔
Researcher: Stefan Cornelius
Organization: Secunia
Status: Not defined
Secunia: 42321 - SumatraPDF Two Integer Overflow Vulnerabilities, Highly Critical

Entryinfo

Created: 03/21/2011 01:00
Updated: 04/24/2018 08:51
Changes: 03/21/2011 01:00 (50), 04/24/2018 08:51 (1)
Complete: 🔍

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