Arbitrary Code Injection Affecting kcoreaddons package, versions <5.26.0-3


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
2.35% (83rd percentile)

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  • Snyk IDSNYK-DEBIAN11-KCOREADDONS-525903
  • published23 Dec 2016
  • disclosed23 Dec 2016

Introduced: 23 Dec 2016

CVE-2016-7966  (opens in a new tab)
CWE-94  (opens in a new tab)

How to fix?

Upgrade Debian:11 kcoreaddons to version 5.26.0-3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kcoreaddons package and not the kcoreaddons package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

Through a malicious URL that contained a quote character it was possible to inject HTML code in KMail's plaintext viewer. Due to the parser used on the URL it was not possible to include the equal sign (=) or a space into the injected HTML, which greatly reduces the available HTML functionality. Although it is possible to include an HTML comment indicator to hide content.