SAP SAPCAR Permission File Archive access control

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability was found in SAP SAPCAR. It has been rated as problematic. Affected is an unknown function of the component Permission Handler. This manipulation as part of File Archive causes access control. This vulnerability is tracked as CVE-2016-5847. The attack is restricted to local execution. Moreover, an exploit is present.

Detailsinfo

A vulnerability was found in SAP SAPCAR (version unknown). It has been declared as problematic. Affected by this vulnerability is an unknown function of the component Permission Handler. The manipulation as part of a File Archive leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

SAP SAPCAR allows local users to change the permissions of arbitrary files and consequently gain privileges via a hard link attack on files extracted from an archive, possibly related to SAP Security Note 2327384.

The weakness was disclosed 08/13/2016 by Core Security with Core Security Consulting Services as 2327384 (Website). It is possible to read the advisory at packetstormsecurity.com. This vulnerability is known as CVE-2016-5847 since 06/26/2016. The exploitation appears to be easy. Attacking locally is a requirement. The successful exploitation requires a single authentication. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Exploit-DB (40230) and SecurityFocus (BID 92406†). The entry VDB-90726 is pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.6

VulDB Base Score: 5.8
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.8
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: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

Timelineinfo

06/26/2016 🔍
08/10/2016 +45 days 🔍
08/12/2016 +2 days 🔍
08/13/2016 +1 days 🔍
08/13/2016 +0 days 🔍
10/25/2024 +2995 days 🔍

Sourcesinfo

Vendor: sap.com

Advisory: 2327384
Researcher: Core Security
Organization: Core Security Consulting Services
Status: Confirmed

CVE: CVE-2016-5847 (🔍)
GCVE (CVE): GCVE-0-2016-5847
GCVE (VulDB): GCVE-100-90727
SecurityFocus: 92406 - SAPCAR Local Privilege Escalation and Denial of Service Vulnerabilities

scip Labs: https://www.scip.ch/en/?labs.20150716
See also: 🔍

Entryinfo

Created: 08/13/2016 20:59
Updated: 10/25/2024 16:38
Changes: 08/13/2016 20:59 (51), 03/26/2019 08:28 (16), 10/25/2024 16:38 (16)
Complete: 🔍
Cache ID: 216::103

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

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