SUSE update for python-Brotli

1) Buffer overflow

EUVDB-ID: #VU46905

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-8927

CWE-ID: CWE-120 - Buffer overflow

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

A buffer overflow exists in the Brotli library versions prior to 1.0.8 where an attacker controlling the input length of a "one-shot" decompression request to a script can trigger a crash, which happens when copying over chunks of data larger than 2 GiB. It is recommended to update your Brotli library to 1.0.8 or later. If one cannot update, we recommend to use the "streaming" API as opposed to the "one-shot" API, and impose chunk size limits.

Mitigation

Update the affected package python-Brotli to the latest version.

Vulnerable software versions

Python 3 Module: 15-SP6

SUSE Linux Enterprise Server for SAP Applications 15: SP5 - SP6

SUSE Linux Enterprise Server 15: SP5 - SP6

SUSE Linux Enterprise Desktop 15: SP6

Server Applications Module: 15-SP5

SUSE Linux Enterprise Real Time 15: SP5

SUSE Linux Enterprise High Performance Computing 15: SP5

openSUSE Leap: 15.5

python-Brotli-debuginfo: before 1.0.7-150200.3.3.1

python3-Brotli-debuginfo: before 1.0.7-150200.3.3.1

python3-Brotli: before 1.0.7-150200.3.3.1

python-Brotli-debugsource: before 1.0.7-150200.3.3.1

CPE2.3

• cpe:2.3:o:suse:python_3_module:15-SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_desktop_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:server_applications_module:15-SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_real_time_15:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:opensuse_leap:15.5:*:*:*:*:*:*:*
• cpe:2.3:a:suse:python-brotli-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python3-brotli-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python3-brotli:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python-brotli-debugsource:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2024/suse-su-20241968-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.