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dimanche 30 septembre 2018

Adobe Acrobat Reader Use-After-Free memory corruption [CVE-2018-12831]

A vulnerability, which was classified as critical, has been found in Adobe Acrobat Reader up to 2015.006.30452/2017.011.30102/2018.011.20063. Affected by this issue is an unknown function. The manipulation with an unknown input leads to a memory corruption vulnerability (Use-After-Free). Using CWE to declare the problem leads to CWE-119. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 10/01/2018 as APSB18-30 as confirmed security bulletin (Website). The advisory is shared for download at This vulnerability is handled as CVE-2018-12831. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 10/08/2018).

Upgrading to version 2015.006.30456, 2017.011.30105 or 2019.008.20071 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityTracker (ID 1041809). The entries 124957, 124958, 124959 and 124960 are pretty similar.



VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

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


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


Class: Memory corruption / Use-After-Free (CWE-119)
Local: No
Remote: Yes

Availability: No

Price Prediction: 🔍
Current Price Estimation: 🔒

Threat Intelligence

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Actions: 🔍


Recommended: Upgrade
Status: Official fix
Reaction Time: 🔒
0-Day Time: 🔒
Exposure Time: 🔒

Upgrade: Acrobat Reader 2015.006.30456/2017.011.30105/2019.008.20071


10/01/2018 Advisory disclosed
10/01/2018 Countermeasure disclosed
10/05/2018 SecurityTracker entry created
10/08/2018 VulDB entry created
10/08/2018 VulDB last update


Advisory: APSB18-30
Status: Confirmed

CVE: CVE-2018-12831 (🔒)
SecurityTracker: 1041809 - Adobe Acrobat/Reader Multiple Flaws Let Remote Users Bypass Security, Obtain Potentially Sensitive Information, and Execute Arbitrary Code

See also: 🔒


Created: 10/08/2018
Complete: 🔍

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Auteur: VulDB

Catégories: VulDBNombre de vues: 192


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