Adobe Acrobat Reader buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability has been found in Adobe Acrobat Reader up to 2015.006.30510/2017.011.30158/2020.006.20034 and classified as critical. This impacts an unknown function. Performing a manipulation results in buffer overflow. This vulnerability is reported as CVE-2020-3807. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, was found in Adobe Acrobat Reader up to 2015.006.30510/2017.011.30158/2020.006.20034 (Document Reader Software). This affects an unknown part. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Adobe Acrobat and Reader versions 2020.006.20034 and earlier, 2017.011.30158 and earlier, 2017.011.30158 and earlier, 2015.006.30510 and earlier, and 2015.006.30510 and earlier have a buffer overflow vulnerability. Successful exploitation could lead to arbitrary code execution .

The weakness was disclosed 03/17/2020 as APSB20-13 as confirmed security bulletin (Website). The advisory is shared at helpx.adobe.com. This vulnerability is uniquely identified as CVE-2020-3807 since 12/17/2019. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. 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 03/26/2020).

Upgrading to version 2015.006.30518, 2017.011.30166 or 2020.006.20042 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The entries VDB-152324, VDB-152325, VDB-152327 and VDB-152328 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

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

NVD Base Score: 9.8
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: Buffer overflow
CWE: CWE-120 / 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Acrobat Reader 2015.006.30518/2017.011.30166/2020.006.20042

Timelineinfo

12/17/2019 🔍
03/17/2020 +91 days 🔍
03/17/2020 +0 days 🔍
03/26/2020 +9 days 🔍
10/05/2020 +193 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: APSB20-13
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-3807 (🔍)
GCVE (CVE): GCVE-0-2020-3807
GCVE (VulDB): GCVE-100-152337
See also: 🔍

Entryinfo

Created: 03/26/2020 07:56
Updated: 10/05/2020 07:40
Changes: 03/26/2020 07:56 (43), 03/26/2020 08:01 (18), 10/05/2020 07:40 (1)
Complete: 🔍
Cache ID: 216::103

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

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