openEuler update for nginx
| 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 |
openEuler Operating systems & Components / Operating system nginx-filesystem Operating systems & Components / Operating system package or component nginx-help Operating systems & Components / Operating system package or component nginx-all-modules Operating systems & Components / Operating system package or component nginx-mod-devel Operating systems & Components / Operating system package or component nginx-mod-stream Operating systems & Components / Operating system package or component nginx-mod-http-image-filter Operating systems & Components / Operating system package or component nginx-mod-http-xslt-filter Operating systems & Components / Operating system package or component nginx-mod-mail Operating systems & Components / Operating system package or component nginx-mod-http-perl Operating systems & Components / Operating system package or component nginx-debuginfo Operating systems & Components / Operating system package or component nginx-debugsource Operating systems & Components / Operating system package or component nginx Operating systems & Components / Operating system package or component |
| Vendor | openEuler |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Resource exhaustion
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.
Install updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS SP1 - 22.03 LTS SP2
nginx-filesystem: before 1.21.5-4
nginx-help: before 1.21.5-4
nginx-all-modules: before 1.21.5-4
nginx-mod-devel: before 1.21.5-4
nginx-mod-stream: before 1.21.5-4
nginx-mod-http-image-filter: before 1.21.5-4
nginx-mod-http-xslt-filter: before 1.21.5-4
nginx-mod-mail: before 1.21.5-4
nginx-mod-http-perl: before 1.21.5-4
nginx-debuginfo: before 1.21.5-4
nginx-debugsource: before 1.21.5-4
nginx: before 1.21.5-4
CPE2.3- cpe:2.3:o:openeuler:openeuler:20.03:LTS SP1:*:*:*:*:*:*
- cpe:2.3:o:openeuler:openeuler:20.03:LTS SP3:*:*:*:*:*:*
- cpe:2.3:o:openeuler:openeuler:22.03:LTS:*:*:*:*:*:*
- cpe:2.3:a:openeuler:nginx-filesystem:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:nginx-help:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:nginx-all-modules:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:nginx-mod-devel:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:nginx-mod-stream:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:nginx-mod-http-image-filter:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:nginx-mod-http-xslt-filter:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:nginx-mod-mail:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:nginx-mod-http-perl:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:nginx-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:nginx-debugsource:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:nginx:*:*:*:*:*:openeuler:*:*
https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1777
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.
