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dimanche 30 septembre 2018

Adobe Acrobat Reader Use-After-Free memory corruption [CVE-2018-12852]

A vulnerability, which was classified as critical, was found in Adobe Acrobat Reader up to 2015.006.30452/2017.011.30102/2018.011.20063. This affects an unknown function. The manipulation with an unknown input leads to a memory corruption vulnerability (Use-After-Free). CWE is classifying the issue as CWE-119. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 10/01/2018 as APSB18-30 as confirmed security bulletin (Website). The advisory is shared at helpx.adobe.com. This vulnerability is uniquely identified as CVE-2018-12852. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (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). See 124957, 124958, 124959 and 124960 for similar entries.

CPE

CVSSv3

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: 🔍

CVSSv2

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

Exploiting

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: 🔍

Countermeasures

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

Upgrade: Acrobat Reader 2015.006.30456/2017.011.30105/2019.008.20071

Timeline

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

Sources

Advisory: APSB18-30
Status: Confirmed

CVE: CVE-2018-12852 (🔒)
SecurityTracker: 1041809 - Adobe Acrobat/Reader Multiple Flaws Let Remote Users Bypass Security, Obtain Potentially Sensitive Information, and Execute Arbitrary Code

See also: 🔒

Entry

Created: 10/08/2018
Complete: 🔍

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Auteur: VulDB

Catégories: VulDBNombre de vues: 205

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