Adobe Acrobat Reader NTLM SSO Hash information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Adobe Acrobat Reader up to 2015.006.30456/2017.011.30105/2019.008.20080. The impacted element is an unknown function of the component NTLM SSO Hash Handler. Performing a manipulation results in information disclosure. This vulnerability is cataloged as CVE-2018-15979. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Adobe Acrobat Reader up to 2015.006.30456/2017.011.30105/2019.008.20080 (Document Reader Software). This affects an unknown code of the component NTLM SSO Hash Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

Adobe Acrobat and Reader versions 2019.008.20080 and earlier, 2017.011.30105 and earlier, and 2015.006.30456 and earlier have a ntlm sso hash theft vulnerability. Successful exploitation could lead to information disclosure.

The bug was discovered 11/13/2018. The weakness was shared 11/29/2018 (Website). It is possible to read the advisory at helpx.adobe.com. This vulnerability is uniquely identified as CVE-2018-15979 since 08/28/2018. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 118932 (Adobe Reader <= 15.006.30456 / 17.011.30105 / 19.008.20080 NTLM SSO Hash Theft (APSB18-40)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371317 (Adobe Reader and Acrobat Information Disclosure Vulnerability (APSB18-40)).

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (118932) and SecurityFocus (BID 105907†). 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: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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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Nessus ID: 118932
Nessus Name: Adobe Reader <= 15.006.30456 / 17.011.30105 / 19.008.20080 NTLM SSO Hash Theft (APSB18-40)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/28/2018 🔍
11/13/2018 +77 days 🔍
11/13/2018 +0 days 🔍
11/13/2018 +0 days 🔍
11/14/2018 +1 days 🔍
11/29/2018 +15 days 🔍
11/29/2018 +0 days 🔍
11/30/2018 +1 days 🔍
06/12/2023 +1655 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: helpx.adobe.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-15979 (🔍)
GCVE (CVE): GCVE-0-2018-15979
GCVE (VulDB): GCVE-100-127299
SecurityFocus: 105907 - Adobe Acrobat and Reader CVE-2018-15979 Information Disclosure Vulnerability
SecurityTracker: 1042099

Entryinfo

Created: 11/30/2018 08:00
Updated: 06/12/2023 08:40
Changes: 11/30/2018 08:00 (71), 04/16/2020 09:25 (6), 06/12/2023 08:40 (4)
Complete: 🔍
Cache ID: 216:DF6:103

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

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