USN-4293-1: libarchive vulnerabilities

Releases

• Ubuntu 19.10
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM

Packages

• libarchive - Library to read/write archive files

Details

It was discovered that libarchive incorrectly handled certain archive files.
An attacker could possibly use this issue to access sensitive information.
(CVE-2019-19221)

It was discovered that libarchive incorrectly handled certain archive files.
An attacker could possibly use this issue to cause a crash resulting in a denial
of service or possibly unspecified other impact. This issue only affected Ubuntu 19.10.
(CVE-2020-9308)

Update instructions

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

Ubuntu 19.10

• libarchive13 - 3.4.0-1ubuntu0.1

Ubuntu 18.04

• libarchive13 - 3.2.2-3.1ubuntu0.6

Ubuntu 16.04

• libarchive13 - 3.1.2-11ubuntu0.16.04.8

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

References

• CVE-2019-19221
• CVE-2020-9308