Ubuntu Security Notice 4677-2 - USN-4677-1 fixed a vulnerability in p11-kit. This update provides the corresponding update for Ubuntu 14.04 ESM. David Cook discovered that p11-kit incorrectly handled certain memory operations. An attacker could use this issue to cause p11-kit to crash, resulting in a denial of service, or possibly execute arbitrary code. Various other issues were also addressed.
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Ubuntu Security Notice USN-4677-2
January 06, 2021
p11-kit vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 ESM
Summary:
Several security issues were fixed in p11-kit.
Software Description:
- p11-kit: p11-glue utilities
Details:
USN-4677-1 fixed a vulnerability in p11-kit. This update provides
the corresponding update for Ubuntu 14.04 ESM.
Original advisory details:
David Cook discovered that p11-kit incorrectly handled certain memory
operations. An attacker could use this issue to cause p11-kit to crash,
resulting in a denial of service, or possibly execute arbitrary code.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 14.04 ESM:
libp11-kit0 0.20.2-2ubuntu2+esm1
p11-kit 0.20.2-2ubuntu2+esm1
p11-kit-modules 0.20.2-2ubuntu2+esm1
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/4677-2
https://usn.ubuntu.com/4677-1
CVE-2020-29361