CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.1 | $0-$5k | 0.00 |
A vulnerability was found in RealVNC 5.0.6 on UNIX/Linux. It has been classified as problematic. This affects some unknown processing of the file vncserver-x11. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
RealVNC VNC 5.0.6 on Mac OS X, Linux, and UNIX allows local users to gain privileges via a crafted argument to the (1) vncserver, (2) vncserver-x11, or (3) Xvnc helper.
The weakness was released 12/19/2013 as not defined release notes (Website). The advisory is shared at realvnc.com. This vulnerability is uniquely identified as CVE-2013-6886 since 11/28/2013. An attack has to be approached locally. Required for exploitation is a authentication. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.
The vulnerability scanner Nessus provides a plugin with the ID 71884 (RealVNC < 5.0.7 Multiple Local Privilege Escalations), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context r.
Upgrading to version 5.0.7 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 Tenable (71884). Entries connected to this vulnerability are available at 11660 and 11662.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.1
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
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: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Access controlCWE: CWE-264
ATT&CK: T1068
Local: Yes
Remote: No
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: 71884
Nessus Name: RealVNC < 5.0.7 Multiple Local Privilege Escalations
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: RealVNC 5.0.7
Timeline
11/28/2013 🔍12/19/2013 🔍
12/19/2013 🔍
12/27/2013 🔍
12/30/2013 🔍
01/09/2014 🔍
04/29/2019 🔍
Sources
Advisory: realvnc.comStatus: Not defined
Confirmation: 🔍
CVE: CVE-2013-6886 (🔍)
SecurityFocus: 64560
OSVDB: 101482
See also: 🔍
Entry
Created: 12/30/2013 11:20Updated: 04/29/2019 09:51
Changes: 12/30/2013 11:20 (62), 04/29/2019 09:51 (1)
Complete: 🔍
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