VDB-76405 · OSVDB 535

UNIX-V6 su File Descriptor privileges management

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
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7.8$0-$5k0.00

A vulnerability has been found in UNIX-V6 (Operating System) (version unknown) and classified as critical. Affected by this vulnerability is an unknown function of the component su File Descriptor. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 08/23/1981 (Website). The advisory is shared at securitydigest.org. An attack has to be approached locally. The successful exploitation requires a single authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/26/2019). MITRE ATT&CK project uses the attack technique T1068 for this issue. Due to its background and reception, this vulnerability has a historic impact.

After immediately, there has been an exploit disclosed.

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

Similar entries are available at 94827, 94828, 94829 and 94830.

Productinfo

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Name

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.8

VulDB Base Score: 7.8
VulDB Temp Score: 7.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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VulDB Reliability: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

08/23/1981 🔍
08/23/1981 +0 days 🔍
09/12/2002 +7690 days 🔍
07/10/2015 +4683 days 🔍
07/26/2019 +1477 days 🔍

Sourcesinfo

Advisory: securitydigest.org
Status: Not defined
OSVDB: 535 - UNIX-V6 su File Descriptor Exhaustion Local Privilege Escalation

See also: 🔍

Entryinfo

Created: 07/10/2015 17:21
Updated: 07/26/2019 09:39
Changes: 07/10/2015 17:21 (38), 07/26/2019 09:39 (3)
Complete: 🔍

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