PDFResurrect up to 0.19 Header Validation pdf_get_version heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability has been found in PDFResurrect up to 0.19 and classified as critical. This affects the function pdf_get_version of the component Header Validation Handler. This manipulation causes heap-based overflow. This vulnerability is tracked as CVE-2020-20740. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in PDFResurrect up to 0.19 and classified as critical. Affected by this vulnerability is the function pdf_get_version of the component Header Validation Handler. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 11/21/2020 as 14. The advisory is shared at github.com. This vulnerability is known as CVE-2020-20740. Technical details are known, but no exploit is available.

Upgrading to version 0.20 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PDFResurrect 0.20
Patch: github.com

Timelineinfo

08/13/2020 🔍
11/21/2020 +100 days 🔍
11/21/2020 +0 days 🔍
12/09/2020 +18 days 🔍

Sourcesinfo

Advisory: 14
Status: Confirmed

CVE: CVE-2020-20740 (🔍)
GCVE (CVE): GCVE-0-2020-20740
GCVE (VulDB): GCVE-100-165217

Entryinfo

Created: 11/21/2020 07:21
Updated: 12/09/2020 17:33
Changes: 11/21/2020 07:21 (40), 12/09/2020 17:27 (5), 12/09/2020 17:33 (18)
Complete: 🔍
Cache ID: 216::103

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

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