Adobe Acrobat Reader null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Adobe Acrobat Reader up to 2015.006.30505/2017.011.30152/2019.021.20056. It has been classified as critical. This vulnerability affects unknown code. The manipulation leads to null pointer dereference. This vulnerability is listed as CVE-2019-16446. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Adobe Acrobat Reader up to 2015.006.30505/2017.011.30152/2019.021.20056 (Document Reader Software). This issue affects an unknown code block. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Adobe Acrobat and Reader versions , 2019.021.20056 and earlier, 2017.011.30152 and earlier, 2017.011.30155 and earlier version, 2017.011.30152 and earlier, and 2015.006.30505 and earlier have an untrusted pointer dereference vulnerability. Successful exploitation could lead to arbitrary code execution .

The weakness was presented 12/10/2019 as APSB19-55 as confirmed security bulletin (Website). It is possible to read the advisory at helpx.adobe.com. The identification of this vulnerability is CVE-2019-16446. The attack may be initiated remotely. No form of authentication is needed for a successful 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.

Upgrading to version 2015.006.30508, 2017.011.30156 or 2019.021.20058 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

blogs.adobe.com is providing further details. See VDB-146948, VDB-146949, VDB-146950 and VDB-146951 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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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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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
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 2015.006.30508/2017.011.30156/2019.021.20058

Timelineinfo

09/19/2019 🔍
12/10/2019 +82 days 🔍
12/10/2019 +0 days 🔍
12/11/2019 +1 days 🔍
03/10/2024 +1551 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: APSB19-55
Status: Confirmed

CVE: CVE-2019-16446 (🔍)
GCVE (CVE): GCVE-0-2019-16446
GCVE (VulDB): GCVE-100-146963
Misc.: 🔍
See also: 🔍

Entryinfo

Created: 12/11/2019 16:55
Updated: 03/10/2024 10:00
Changes: 12/11/2019 16:55 (45), 12/11/2019 17:00 (17), 03/10/2024 10:00 (4)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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