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CVE-2021-25682

Status Candidate

Overview

It was discovered that the get_pid_info() function in data/apport did not properly parse the /proc/pid/status file from the kernel.

Related Files

Ubuntu Security Notice USN-4720-1
Posted Feb 3, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4720-1 - Itai Greenhut discovered that Apport incorrectly parsed certain files in the /proc filesystem. A local attacker could use this issue to escalate privileges and run arbitrary code. Itai Greenhut discovered that Apport incorrectly handled opening certain special files. A local attacker could possibly use this issue to cause Apport to hang, resulting in a denial of service.

tags | advisory, denial of service, arbitrary, local
systems | linux, ubuntu
advisories | CVE-2021-25682, CVE-2021-25684
SHA-256 | 95a2d7ab6ea274167ee820b4afd5f36c8224123a22dc163a6e5ddeafdb28a4bb
Ubuntu Security Notice USN-4720-2
Posted Feb 3, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4720-2 - USN-4720-1 fixed several vulnerabilities in Apport. This update provides the corresponding update for Ubuntu 14.04 ESM. Itai Greenhut discovered that Apport incorrectly parsed certain files in the /proc filesystem. A local attacker could use this issue to escalate privileges and run arbitrary code. Various other issues were also addressed.

tags | advisory, arbitrary, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2021-25682, CVE-2021-25684
SHA-256 | 9dd16f1d19680fbb9b59c4d15fd5a229a24c254bf1f9c9d2083d88f1b6b63391
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