Adobe Acrobat Reader out-of-bounds write

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 2015.006.30523/2017.011.30171/2020.001.30002/2020.009.20074. It has been rated as critical. This impacts an unknown function. Performing a manipulation results in out-of-bounds write. This vulnerability was named CVE-2020-9693. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in Adobe Acrobat Reader up to 2015.006.30523/2017.011.30171/2020.001.30002/2020.009.20074 (Document Reader Software). This affects an unknown function. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Adobe Acrobat and Reader versions 2020.009.20074 and earlier, 2020.001.30002, 2017.011.30171 and earlier, and 2015.006.30523 and earlier have an out-of-bounds write vulnerability. Successful exploitation could lead to arbitrary code execution .

The weakness was presented 08/11/2020 as APSB20-48 as confirmed security bulletin (Website). It is possible to read the advisory at helpx.adobe.com. This vulnerability is uniquely identified as CVE-2020-9693. 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. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/12/2020).

Upgrading to version 2015.006.30527, 2017.011.30175, 2020.001.30005 or 2020.012.20041 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

See VDB-159661, VDB-159662, VDB-159664 and VDB-159665 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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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: Out-of-bounds write
CWE: CWE-787 / 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: 🔍

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

Upgrade: Acrobat Reader 2015.006.30527/2017.011.30175/2020.001.30005/2020.012.20041

Timelineinfo

03/02/2020 🔍
08/11/2020 +162 days 🔍
08/11/2020 +0 days 🔍
08/12/2020 +1 days 🔍
11/08/2020 +88 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: APSB20-48
Status: Confirmed

CVE: CVE-2020-9693 (🔍)
GCVE (CVE): GCVE-0-2020-9693
GCVE (VulDB): GCVE-100-159663
See also: 🔍

Entryinfo

Created: 08/12/2020 21:58
Updated: 11/08/2020 13:49
Changes: 08/12/2020 21:58 (44), 08/12/2020 22:03 (17), 11/08/2020 13:49 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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