Krzysztof Kowalczyk SumatraPDF up to 2.0.1 memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.5$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Krzysztof Kowalczyk SumatraPDF. This issue affects some unknown processing. The manipulation leads to memory corruption. This vulnerability is documented as CVE-2012-4895. There is not any exploit available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in Krzysztof Kowalczyk SumatraPDF. 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 summary by CVE is:

Heap-based buffer overflow in SumatraPDF before 2.1 allows remote attackers to execute arbitrary code via a crafted PDF document, a different vulnerability than CVE-2012-4896.

The weakness was released 10/05/2012 as MSVR/MSV as confirmed bulletin (Technet). The advisory is shared at technet.microsoft.com. The identification of this vulnerability is CVE-2012-4895 since 09/12/2012. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/14/2021).

The vulnerability scanner Nessus provides a plugin with the ID 62390 (SumatraPDF < 2.1 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows. The commercial vulnerability scanner Qualys is able to test this issue with plugin 120530 (Sumatra PDF Reader Arbitrary Code Execution).

Upgrading to version 0.8 eliminates this vulnerability. Applying the patch MSVR/MSV is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. The best possible mitigation is suggested to be patching the affected component.

The vulnerability is also documented in the databases at X-Force (78704), Tenable (62390), SecurityFocus (BID 55596†), Secunia (SA50656†) and Vulnerability Center (SBV-36391†). Entries connected to this vulnerability are available at VDB-6007, VDB-60714, VDB-60713 and VDB-60712. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
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: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 62390
Nessus Name: SumatraPDF < 2.1 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Upgrade: SumatraPDF 0.8
Patch: MSVR/MSV

Timelineinfo

09/12/2012 🔍
09/18/2012 +6 days 🔍
09/19/2012 +1 days 🔍
10/02/2012 +13 days 🔍
10/05/2012 +3 days 🔍
10/05/2012 +0 days 🔍
10/09/2012 +4 days 🔍
03/24/2015 +896 days 🔍
12/14/2021 +2457 days 🔍

Sourcesinfo

Advisory: MSVR/MSV
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-4895 (🔍)
GCVE (CVE): GCVE-0-2012-4895
GCVE (VulDB): GCVE-100-62561
X-Force: 78704
SecurityFocus: 55596
Secunia: 50656 - SumatraPDF Document Processing Two Vulnerabilities, Highly Critical
Vulnerability Center: 36391 - SumatraPDF <2.1 Buffer Overflow Allows Remote Code Execution via a Crafted PDF File - CVE-2012-4895, Medium

See also: 🔍

Entryinfo

Created: 03/24/2015 12:22
Updated: 12/14/2021 17:50
Changes: 03/24/2015 12:22 (61), 04/17/2017 12:36 (10), 12/14/2021 17:50 (2)
Complete: 🔍
Cache ID: 216:EE1:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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