KMail QWebEngine Viewer code injection

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in KMail. Affected by this issue is some unknown functionality of the component QWebEngine Viewer. The manipulation leads to code injection. This vulnerability is uniquely identified as CVE-2016-7968. The attack is possible to be carried out remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in KMail (Mail Client Software) (version now known) and classified as problematic. This issue affects some unknown processing of the component QWebEngine Viewer. The manipulation with an unknown input leads to a code injection vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is integrity. The summary by CVE is:

KMail since version 5.3.0 used a QWebEngine based viewer that had JavaScript enabled. HTML Mail contents were not sanitized for JavaScript and included code was executed.

The bug was discovered 12/23/2016. The weakness was disclosed 12/23/2016 by Albert Astals Cid (Website). It is possible to read the advisory at openwall.com. The identification of this vulnerability is CVE-2016-7968 since 09/09/2016. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 94413 (Fedora 24 : 1:kdepim-runtime / 7:kdepim / kdepim-addons / kdepim-apps-libs / etc (2016-1b042a79bd)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 276272 (Fedora Security Update for kdepimlibs (FEDORA-2016-92c112a380)).

Upgrading 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 databases at Tenable (94413) and SecurityFocus (BID 93360†). The entries VDB-94665 and VDB-94666 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
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: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 94413
Nessus Name: Fedora 24 : 1:kdepim-runtime / 7:kdepim / kdepim-addons / kdepim-apps-libs / etc (2016-1b042a79bd)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 57028
OpenVAS Name: Fedora Update for kf5-libkleo FEDORA-2016-1b042a79bd
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/09/2016 🔍
10/04/2016 +25 days 🔍
10/30/2016 +26 days 🔍
10/31/2016 +1 days 🔍
12/23/2016 +53 days 🔍
12/23/2016 +0 days 🔍
12/23/2016 +0 days 🔍
12/24/2016 +1 days 🔍
10/12/2022 +2118 days 🔍

Sourcesinfo

Advisory: FEDORA-2016-1b042a79bd
Researcher: Albert Astals Cid
Status: Not defined

CVE: CVE-2016-7968 (🔍)
GCVE (CVE): GCVE-0-2016-7968
GCVE (VulDB): GCVE-100-94667
SecurityFocus: 93360 - KMail Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 12/24/2016 18:28
Updated: 10/12/2022 16:00
Changes: 12/24/2016 18:28 (70), 07/15/2019 15:08 (7), 10/12/2022 16:00 (4)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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