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Ubuntu Security Notice USN-6142-1

Ubuntu Security Notice USN-6142-1
Posted Jun 6, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6142-1 - Gal Goldshtein discovered that nghttp2 incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2020-11080
SHA-256 | 8db0cfa1ab9c208a5c6578a0215c4766c126c7705ad9c0c431e5eb80778831e7

Ubuntu Security Notice USN-6142-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-6142-1
June 06, 2023

nghttp2 vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS (Available with Ubuntu Pro)
- Ubuntu 16.04 LTS (Available with Ubuntu Pro)

Summary:

nghttp2 could be made to crash if it opened a specially crafted file.

Software Description:
- nghttp2: HTTP/2 C Library and tools

Details:

Gal Goldshtein discovered that nghttp2 incorrectly handled certain inputs. If
a user or an automated system were tricked into opening a specially crafted
input file, a remote attacker could possibly use this issue to cause a
denial of service.

Update instructions:

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

Ubuntu 20.04 LTS:
libnghttp2-14 1.40.0-1ubuntu0.1
libnghttp2-dev 1.40.0-1ubuntu0.1
nghttp2 1.40.0-1ubuntu0.1
nghttp2-client 1.40.0-1ubuntu0.1
nghttp2-proxy 1.40.0-1ubuntu0.1
nghttp2-server 1.40.0-1ubuntu0.1

Ubuntu 18.04 LTS (Available with Ubuntu Pro):
libnghttp2-14 1.30.0-1ubuntu1+esm1
libnghttp2-dev 1.30.0-1ubuntu1+esm1
nghttp2 1.30.0-1ubuntu1+esm1
nghttp2-client 1.30.0-1ubuntu1+esm1
nghttp2-proxy 1.30.0-1ubuntu1+esm1
nghttp2-server 1.30.0-1ubuntu1+esm1

Ubuntu 16.04 LTS (Available with Ubuntu Pro):
libnghttp2-14 1.7.1-1ubuntu0.1~esm1
libnghttp2-dev 1.7.1-1ubuntu0.1~esm1
nghttp2 1.7.1-1ubuntu0.1~esm1
nghttp2-client 1.7.1-1ubuntu0.1~esm1
nghttp2-proxy 1.7.1-1ubuntu0.1~esm1
nghttp2-server 1.7.1-1ubuntu0.1~esm1

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

References:
https://ubuntu.com/security/notices/USN-6142-1
CVE-2020-11080

Package Information:
https://launchpad.net/ubuntu/+source/nghttp2/1.40.0-1ubuntu0.1

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