Open-Xchange OX Guard up to 2.4.2-rev4 PGP Public Key cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Open-Xchange OX Guard up to 2.4.2-rev4. Affected by this issue is some unknown functionality of the component PGP Public Key Handler. The manipulation results in cross site scripting. This vulnerability is cataloged as CVE-2016-6853. The attack may be launched remotely. Furthermore, there is an exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Open-Xchange OX Guard up to 2.4.2-rev4. It has been classified as problematic. Affected is an unknown part of the component PGP Public Key Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. CVE summarizes:

An issue was discovered in Open-Xchange OX Guard before 2.4.2-rev5. Script code and references to external websites can be injected to the names of PGP public keys. When requesting that key later on using a specific URL, such script code might get executed. In case of injecting external websites, users might get lured into a phishing scheme. Malicious script code can be executed within a user's context. This can lead to session hijacking or triggering unwanted actions via the web interface (sending mail, deleting data etc.).

The bug was discovered 09/13/2016. The weakness was shared 12/15/2016 by Benjamin Daniel Mussler (Website). The advisory is shared for download at packetstormsecurity.com. This vulnerability is traded as CVE-2016-6853 since 08/18/2016. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 93 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 2.4.2-rev5 eliminates this vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (40377) and SecurityFocus (BID 92920†). The entries VDB-94522 and VDB-94525 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.0

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: OX Guard 2.4.2-rev5

Timelineinfo

08/18/2016 🔍
09/13/2016 +26 days 🔍
09/13/2016 +0 days 🔍
12/15/2016 +93 days 🔍
12/15/2016 +0 days 🔍
12/15/2016 +0 days 🔍
12/08/2024 +2915 days 🔍

Sourcesinfo

Vendor: open-xchange.com

Advisory: 138701
Researcher: Benjamin Daniel Mussler
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-6853 (🔍)
GCVE (CVE): GCVE-0-2016-6853
GCVE (VulDB): GCVE-100-94524
SecurityFocus: 92920 - Open-Xchange OX Guard Multiple Cross Site Scripting Vulnerabilities

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 12/15/2016 16:53
Updated: 12/08/2024 06:34
Changes: 12/15/2016 16:53 (46), 07/08/2019 09:10 (15), 10/08/2022 19:40 (2), 10/08/2022 19:47 (11), 12/08/2024 06:34 (16)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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