Risk | High |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2023-44487 |
CWE-ID | CWE-400 |
Exploitation vector | Network |
Public exploit | Vulnerability #1 is being exploited in the wild. |
Vulnerable software |
SUSE Linux Enterprise Micro Operating systems & Components / Operating system openSUSE Leap Micro Operating systems & Components / Operating system Basesystem Module Operating systems & Components / Operating system SUSE Linux Enterprise Micro for Rancher Operating systems & Components / Operating system SUSE Linux Enterprise Server for SAP Applications 15 Operating systems & Components / Operating system SUSE Linux Enterprise Server 15 Operating systems & Components / Operating system SUSE Linux Enterprise Real Time 15 Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing 15 Operating systems & Components / Operating system SUSE Linux Enterprise Desktop 15 Operating systems & Components / Operating system SUSE Linux Enterprise Server 15 SP3 LTSS Operating systems & Components / Operating system SUSE Linux Enterprise Server 15 SP2 LTSS Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing LTSS 15 Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing ESPOS 15 Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS Operating systems & Components / Operating system openSUSE Leap Operating systems & Components / Operating system SUSE Enterprise Storage Operating systems & Components / Operating system SUSE Manager Retail Branch Server Operating systems & Components / Operating system SUSE Manager Server Operating systems & Components / Operating system SUSE Manager Proxy Operating systems & Components / Operating system libnghttp2-14-32bit Operating systems & Components / Operating system package or component libnghttp2_asio1-32bit-debuginfo Operating systems & Components / Operating system package or component libnghttp2-14-32bit-debuginfo Operating systems & Components / Operating system package or component libnghttp2_asio1-32bit Operating systems & Components / Operating system package or component nghttp2 Operating systems & Components / Operating system package or component libnghttp2-devel Operating systems & Components / Operating system package or component python3-nghttp2-debuginfo Operating systems & Components / Operating system package or component python3-nghttp2 Operating systems & Components / Operating system package or component libnghttp2_asio1 Operating systems & Components / Operating system package or component nghttp2-python-debugsource Operating systems & Components / Operating system package or component libnghttp2_asio-devel Operating systems & Components / Operating system package or component libnghttp2_asio1-debuginfo Operating systems & Components / Operating system package or component nghttp2-debuginfo Operating systems & Components / Operating system package or component nghttp2-debugsource Operating systems & Components / Operating system package or component libnghttp2-14-debuginfo Operating systems & Components / Operating system package or component libnghttp2-14 Operating systems & Components / Operating system package or component |
Vendor | SUSE |
Security Bulletin
This security bulletin contains one high risk vulnerability.
EUVDB-ID: #VU81728
Risk: High
CVSSv4.0: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:A/U:Amber]
CVE-ID: CVE-2023-44487
CWE-ID:
CWE-400 - Resource exhaustion
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improperly control of consumption for internal resources when handling HTTP/2 requests with compressed HEADERS frames. A remote attacker can send a sequence of compressed HEADERS frames followed by RST_STREAM frames and perform a denial of service (DoS) attack, a.k.a. "Rapid Reset".
Note, the vulnerability is being actively exploited in the wild.
Update the affected package nghttp2 to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Micro: 5.1 - 5.5
openSUSE Leap Micro: 5.3 - 5.4
Basesystem Module: 15-SP4 - 15-SP5
SUSE Linux Enterprise Micro for Rancher: 5.2 - 5.4
SUSE Linux Enterprise Server for SAP Applications 15: SP2 - SP5
SUSE Linux Enterprise Server 15: SP2 - SP5
SUSE Linux Enterprise Real Time 15: SP4 - SP5
SUSE Linux Enterprise High Performance Computing 15: SP2 - SP5
SUSE Linux Enterprise Desktop 15: SP4 - SP5
SUSE Linux Enterprise Server 15 SP3 LTSS: 15-SP3
SUSE Linux Enterprise Server 15 SP2 LTSS: 15-SP2
SUSE Linux Enterprise High Performance Computing LTSS 15: SP3
SUSE Linux Enterprise High Performance Computing ESPOS 15: SP3
SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS: 15-SP2
openSUSE Leap: 15.4 - 15.5
SUSE Enterprise Storage: 7.1
SUSE Manager Retail Branch Server: 4.2 - 4.3
SUSE Manager Server: 4.2 - 4.3
SUSE Manager Proxy: 4.2 - 4.3
libnghttp2-14-32bit: before 1.40.0-150200.12.1
libnghttp2_asio1-32bit-debuginfo: before 1.40.0-150200.12.1
libnghttp2-14-32bit-debuginfo: before 1.40.0-150200.12.1
libnghttp2_asio1-32bit: before 1.40.0-150200.12.1
nghttp2: before 1.40.0-150200.12.1
libnghttp2-devel: before 1.40.0-150200.12.1
python3-nghttp2-debuginfo: before 1.40.0-150200.12.1
python3-nghttp2: before 1.40.0-150200.12.1
libnghttp2_asio1: before 1.40.0-150200.12.1
nghttp2-python-debugsource: before 1.40.0-150200.12.1
libnghttp2_asio-devel: before 1.40.0-150200.12.1
libnghttp2_asio1-debuginfo: before 1.40.0-150200.12.1
nghttp2-debuginfo: before 1.40.0-150200.12.1
nghttp2-debugsource: before 1.40.0-150200.12.1
libnghttp2-14-debuginfo: before 1.40.0-150200.12.1
libnghttp2-14: before 1.40.0-150200.12.1
CPE2.3https://www.suse.com/support/update/announcement/2023/suse-su-20234200-1/
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?
Yes. This vulnerability is being exploited in the wild.