EulerOS 2.0 SP9 : httpd (EulerOS-SA-2021-2915)
critical Nessus Plugin ID 156400
Synopsis
The remote EulerOS host is missing multiple security updates.Description
According to the versions of the httpd packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :- Malformed requests may cause the server to dereference a NULL pointer. This issue affects Apache HTTP Server 2.4.48 and earlier. (CVE-2021-34798)
- A carefully crafted request uri-path can cause mod_proxy_uwsgi to read above the allocated memory and crash (DoS). This issue affects Apache HTTP Server versions 2.4.30 to 2.4.48 (inclusive). (CVE-2021-36160)
- ap_escape_quotes() may write beyond the end of a buffer when given malicious input. No included modules pass untrusted data to these functions, but third-party / external modules may. This issue affects Apache HTTP Server 2.4.48 and earlier. (CVE-2021-39275)
- A crafted request uri-path can cause mod_proxy to forward the request to an origin server choosen by the remote user. This issue affects Apache HTTP Server 2.4.48 and earlier. (CVE-2021-40438)
Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
Solution
Update the affected httpd packages.See Also
Plugin Details
Severity: Critical
ID: 156400
File Name: EulerOS_SA-2021-2915.nasl
Version: 1.4
Type: local
Family: Huawei Local Security Checks
Published: 12/30/2021
Updated: 1/26/2022
Risk Information
CVSS Score Source: CVE-2021-39275
VPR
Risk Factor: Critical
Score: 10
CVSS v2
Risk Factor: High
Base Score: 7.5
Temporal Score: 6.5
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Temporal Vector: E:H/RL:OF/RC:C
CVSS v3
Risk Factor: Critical
Base Score: 9.8
Temporal Score: 9.4
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: E:H/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:huawei:euleros:httpd, p-cpe:/a:huawei:euleros:httpd-filesystem, p-cpe:/a:huawei:euleros:httpd-tools, p-cpe:/a:huawei:euleros:mod_ssl, cpe:/o:huawei:euleros:2.0
Required KB Items: Host/local_checks_enabled, Host/EulerOS/release, Host/EulerOS/rpm-list, Host/EulerOS/sp
Excluded KB Items: Host/EulerOS/uvp_version
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 12/30/2021
Vulnerability Publication Date: 9/16/2021
CISA Known Exploited Dates: 12/15/2021
Reference Information
CVE: CVE-2021-34798, CVE-2021-36160, CVE-2021-39275, CVE-2021-40438
IAVA: 2021-A-0440-S