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AUSCERT External Security Bulletin Redistribution
ESB-2024.2594
USN-6754-1: nghttp2 vulnerabilities
26 April 2024
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AusCERT Security Bulletin Summary
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Product: nghttp2
Publisher: Ubuntu
Operating System: Ubuntu
Resolution: Patch/Upgrade
CVE Names: CVE-2023-44487 CVE-2024-28182 CVE-2019-9513
CVE-2019-9511
Original Bulletin:
https://ubuntu.com/security/notices/USN-6754-1
Comment: CVSS (Max): 7.5 CVE-2023-44487 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
CVSS Source: Red Hat, [Ubuntu]
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The following are listed in the CISA Known Exploited Vulnerabilities (KEV) Catalog:
CISA KEV CVE(s): CVE-2023-44487
CISA KEV URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
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USN-6754-1: nghttp2 vulnerabilities
25 April 2024
Several security issues were fixed in nghttp2.
Releases
o Ubuntu 23.10
o Ubuntu 22.04 LTS
o Ubuntu 20.04 LTS
o Ubuntu 18.04 ESM
o Ubuntu 16.04 ESM
Packages
o nghttp2 - HTTP/2 C Library and tools
Details
It was discovered that nghttp2 incorrectly handled the HTTP/2
implementation. A remote attacker could possibly use this issue to cause
nghttp2 to consume resources, leading to a denial of service. This issue
only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. ( CVE-2019-9511 ,
CVE-2019-9513 )
It was discovered that nghttp2 incorrectly handled request cancellation. A
remote attacker could possibly use this issue to cause nghttp2 to consume
resources, leading to a denial of service. This issue only affected Ubuntu
16.04 LTS and Ubuntu 18.04 LTS. ( CVE-2023-44487 )
It was discovered that nghttp2 could be made to process an unlimited number
of HTTP/2 CONTINUATION frames. A remote attacker could possibly use this
issue to cause nghttp2 to consume resources, leading to a denial of
service. ( CVE-2024-28182 )
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 23.10
o libnghttp2-14 - 1.55.1-1ubuntu0.2
o nghttp2 - 1.55.1-1ubuntu0.2
o nghttp2-client - 1.55.1-1ubuntu0.2
o nghttp2-proxy - 1.55.1-1ubuntu0.2
o nghttp2-server - 1.55.1-1ubuntu0.2
Ubuntu 22.04
o libnghttp2-14 - 1.43.0-1ubuntu0.2
o nghttp2 - 1.43.0-1ubuntu0.2
o nghttp2-client - 1.43.0-1ubuntu0.2
o nghttp2-proxy - 1.43.0-1ubuntu0.2
o nghttp2-server - 1.43.0-1ubuntu0.2
Ubuntu 20.04
o libnghttp2-14 - 1.40.0-1ubuntu0.3
o nghttp2 - 1.40.0-1ubuntu0.3
o nghttp2-client - 1.40.0-1ubuntu0.3
o nghttp2-proxy - 1.40.0-1ubuntu0.3
o nghttp2-server - 1.40.0-1ubuntu0.3
Ubuntu 18.04
o libnghttp2-14 - 1.30.0-1ubuntu1+esm2
Available with Ubuntu Pro
o nghttp2 - 1.30.0-1ubuntu1+esm2
Available with Ubuntu Pro
o nghttp2-client - 1.30.0-1ubuntu1+esm2
Available with Ubuntu Pro
o nghttp2-proxy - 1.30.0-1ubuntu1+esm2
Available with Ubuntu Pro
o nghttp2-server - 1.30.0-1ubuntu1+esm2
Available with Ubuntu Pro
Ubuntu 16.04
o libnghttp2-14 - 1.7.1-1ubuntu0.1~esm2
Available with Ubuntu Pro
o nghttp2 - 1.7.1-1ubuntu0.1~esm2
Available with Ubuntu Pro
o nghttp2-client - 1.7.1-1ubuntu0.1~esm2
Available with Ubuntu Pro
o nghttp2-proxy - 1.7.1-1ubuntu0.1~esm2
Available with Ubuntu Pro
o nghttp2-server - 1.7.1-1ubuntu0.1~esm2
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.
References
o CVE-2024-28182
o CVE-2019-9511
o CVE-2019-9513
o CVE-2023-44487
Related notices
o USN-4099-1 : libnginx-mod-http-geoip, nginx-extras, libnginx-mod-http-lua,
libnginx-mod-http-cache-purge, libnginx-mod-http-uploadprogress,
libnginx-mod-http-fancyindex, libnginx-mod-stream,
libnginx-mod-http-xslt-filter, libnginx-mod-http-image-filter,
libnginx-mod-rtmp, nginx-core, libnginx-mod-http-subs-filter,
libnginx-mod-http-auth-pam, libnginx-mod-http-headers-more-filter,
libnginx-mod-http-perl, nginx-common, libnginx-mod-http-ndk, nginx-full,
libnginx-mod-http-upstream-fair, libnginx-mod-http-dav-ext, nginx-light,
libnginx-mod-mail, libnginx-mod-http-echo, nginx, nginx-doc,
libnginx-mod-nchan
o USN-6427-1 : aspnetcore-runtime-7.0, dotnet-sdk-6.0, dotnet-runtime-6.0,
dotnet-runtime-7.0, dotnet-apphost-pack-6.0, dotnet-apphost-pack-7.0,
dotnet6, dotnet-sdk-6.0-source-built-artifacts, dotnet-host-7.0,
dotnet-templates-7.0, dotnet7, netstandard-targeting-pack-2.1,
dotnet-sdk-7.0-source-built-artifacts, netstandard-targeting-pack-2.1-7.0,
dotnet-host, dotnet-hostfxr-7.0, dotnet-targeting-pack-6.0,
aspnetcore-runtime-6.0, aspnetcore-targeting-pack-6.0, dotnet-hostfxr-6.0,
dotnet-templates-6.0, dotnet-sdk-7.0, dotnet-targeting-pack-7.0,
aspnetcore-targeting-pack-7.0
o USN-6427-2 : dotnet-apphost-pack-8.0, aspnetcore-runtime-8.0,
dotnet-runtime-8.0, dotnet-sdk-8.0, dotnet-hostfxr-8.0,
aspnetcore-targeting-pack-8.0, netstandard-targeting-pack-2.1-8.0,
dotnet-host-8.0, dotnet8, dotnet-targeting-pack-8.0, dotnet-templates-8.0,
dotnet-sdk-8.0-source-built-artifacts
o USN-6438-1 : aspnetcore-runtime-7.0, dotnet-sdk-6.0, dotnet-runtime-6.0,
dotnet-runtime-7.0, dotnet-apphost-pack-6.0, dotnet-apphost-pack-7.0,
dotnet6, dotnet-sdk-6.0-source-built-artifacts, dotnet-host-7.0,
dotnet-templates-7.0, dotnet7, netstandard-targeting-pack-2.1,
dotnet-sdk-7.0-source-built-artifacts, netstandard-targeting-pack-2.1-7.0,
dotnet-host, dotnet-hostfxr-7.0, dotnet-targeting-pack-6.0,
aspnetcore-runtime-6.0, aspnetcore-targeting-pack-6.0, dotnet-hostfxr-6.0,
dotnet-templates-6.0, dotnet-sdk-7.0, dotnet-targeting-pack-7.0,
aspnetcore-targeting-pack-7.0
o USN-6505-1 : nghttp2, libnghttp2-dev, nghttp2-client, nghttp2-proxy,
libnghttp2-doc, nghttp2-server, libnghttp2-14
o USN-6574-1 : golang-1.20-src, golang-1.21-go, golang-1.21-doc, golang-1.20,
golang-1.20-doc, golang-1.21-src, golang-1.20-go, golang-1.21
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