OpenAFS up to 1.6.16 ptserver/ptprocs.c newEntry access control
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.3 | $0-$5k | 0.00 |
A vulnerability was found in OpenAFS up to 1.6.16 (File Transfer Software). It has been rated as critical. Affected by this issue is the function newEntry
of the file ptserver/ptprocs.c. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:
The newEntry function in ptserver/ptprocs.c in OpenAFS before 1.6.17 allows remote authenticated users from foreign Kerberos realms to bypass intended access restrictions and create arbitrary groups as administrators by leveraging mishandling of the creator ID.
The weakness was presented 05/13/2016 (Website). The advisory is available at openafs.org. This vulnerability is handled as CVE-2016-2860 since 03/09/2016. The exploitation is known to be easy. The attack may be launched remotely. A simple authentication is necessary for exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.
The vulnerability scanner Nessus provides a plugin with the ID 90020 (Scientific Linux Security Update : OpenAFS on SL5.x, SL6.x, SL7.x i386/x86_64), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Scientific Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175735 (Debian Security Update for openafs (DSA 3569-1)).
Upgrading to version 1.6.17 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (90020). See 87368 for similar entry.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.5VulDB Meta Temp Score: 6.3
VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.5
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
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VulDB Reliability: 🔍
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Exploiting
Class: Access controlCWE: CWE-284 / CWE-266
ATT&CK: T1068
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Nessus ID: 90020
Nessus Name: Scientific Linux Security Update : OpenAFS on SL5.x, SL6.x, SL7.x i386/x86_64
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 830033
OpenVAS Name: Mageia Linux Local Check: mgasa-2016-0121
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: OpenAFS 1.6.17
Patch: 396240cf070a806b91fea81131d034e1399af1e0
Timeline
03/09/2016 🔍03/17/2016 🔍
03/18/2016 🔍
05/13/2016 🔍
05/13/2016 🔍
05/16/2016 🔍
08/19/2022 🔍
Sources
Advisory: openafs.orgStatus: Not defined
Confirmation: 🔍
CVE: CVE-2016-2860 (🔍)
OVAL: 🔍
See also: 🔍
Entry
Created: 05/16/2016 09:41Updated: 08/19/2022 13:36
Changes: 05/16/2016 09:41 (65), 11/26/2018 10:11 (11), 08/19/2022 13:36 (4)
Complete: 🔍
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