Adobe Acrobat Reader signature verification

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Adobe Acrobat Reader up to 2017.011.30175/2020.001.30005/2020.012.20048. It has been rated as critical. The affected element is an unknown function. This manipulation causes signature verification. The identification of this vulnerability is CVE-2020-24429. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in Adobe Acrobat Reader up to 2017.011.30175/2020.001.30005/2020.012.20048 (Document Reader Software). Affected by this vulnerability is an unknown function. The manipulation with an unknown input leads to a signature verification vulnerability. The CWE definition for the vulnerability is CWE-347. The product does not verify, or incorrectly verifies, the cryptographic signature for data. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 11/03/2020 as APSB20-67. The advisory is shared at helpx.adobe.com. This vulnerability is known as CVE-2020-24429. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

Upgrading to version 2017.011.30180, 2020.001.30010 or 2020.013.20064 eliminates this vulnerability. The upgrade is hosted for download at get.adobe.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

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Productinfo

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Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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: Signature verification
CWE: CWE-347 / CWE-345
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: 🔍

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

Upgrade: Acrobat Reader 2017.011.30180/2020.001.30010/2020.013.20064

Timelineinfo

08/19/2020 🔍
11/03/2020 +76 days 🔍
11/03/2020 +0 days 🔍
11/04/2020 +1 days 🔍
12/01/2020 +27 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: APSB20-67
Status: Confirmed

CVE: CVE-2020-24429 (🔍)
GCVE (CVE): GCVE-0-2020-24429
GCVE (VulDB): GCVE-100-164269

Entryinfo

Created: 11/04/2020 07:32
Updated: 12/01/2020 23:14
Changes: 11/04/2020 07:32 (42), 12/01/2020 23:11 (2), 12/01/2020 23:14 (19)
Complete: 🔍
Cache ID: 216::103

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