USN-6166-1: libcap2 vulnerabilities

Publication date

14 June 2023

Overview

Several security issues were fixed in libcap2.


Packages

  • libcap2 - POSIX 1003.1e capabilities (library)

Details

David Gstir discovered that libcap2 incorrectly handled certain return
codes. An attacker could possibly use this issue to cause libcap2 to
consume memory, leading to a denial of service. (CVE-2023-2602)

Richard Weinberger discovered that libcap2 incorrectly handled certain long
input strings. An attacker could use this issue to cause libcap2 to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2023-2603)

David Gstir discovered that libcap2 incorrectly handled certain return
codes. An attacker could possibly use this issue to cause libcap2 to
consume memory, leading to a denial of service. (CVE-2023-2602)

Richard Weinberger discovered that libcap2 incorrectly handled certain long
input strings. An attacker could use this issue to cause libcap2 to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2023-2603)

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:


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