openEuler update for httpd
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-39275 |
| CWE-ID | CWE-119 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
openEuler Operating systems & Components / Operating system httpd-filesystem Operating systems & Components / Operating system package or component httpd-help Operating systems & Components / Operating system package or component httpd-tools Operating systems & Components / Operating system package or component httpd-debugsource Operating systems & Components / Operating system package or component mod_session Operating systems & Components / Operating system package or component mod_md Operating systems & Components / Operating system package or component mod_ssl Operating systems & Components / Operating system package or component httpd-debuginfo Operating systems & Components / Operating system package or component mod_proxy_html Operating systems & Components / Operating system package or component httpd-devel Operating systems & Components / Operating system package or component mod_ldap Operating systems & Components / Operating system package or component httpd Operating systems & Components / Operating system package or component |
| Vendor | openEuler |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Buffer overflow
EUVDB-ID: #VU56679
Risk: Medium
CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2021-39275
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system or perform a denial of service attack.
The vulnerability exists due to a boundary error within the ap_escape_quotes() function. A remote attacker can send a specially crafted request to the web server, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system but requires that the Apache module passes untrusted data to the affected function.
According to vendor, No included modules pass untrusted data to these functions
MitigationInstall updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS SP1 - 20.03 LTS SP2
httpd-filesystem: before 2.4.43-10
httpd-help: before 2.4.43-10
httpd-tools: before 2.4.43-10
httpd-debugsource: before 2.4.43-10
mod_session: before 2.4.43-10
mod_md: before 2.4.43-10
mod_ssl: before 2.4.43-10
httpd-debuginfo: before 2.4.43-10
mod_proxy_html: before 2.4.43-10
httpd-devel: before 2.4.43-10
mod_ldap: before 2.4.43-10
httpd: before 2.4.43-10
CPE2.3- cpe:2.3:o:openeuler:openeuler:20.03:LTS SP1:*:*:*:*:*:*
- cpe:2.3:o:openeuler:openeuler:20.03:LTS SP2:*:*:*:*:*:*
- cpe:2.3:a:openeuler:httpd-filesystem:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:httpd-help:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:httpd-tools:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:httpd-debugsource:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:mod_session:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:mod_md:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:mod_ssl:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:httpd-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:mod_proxy_html:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:httpd-devel:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:mod_ldap:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:httpd:*:*:*:*:*:openeuler:*:*
https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2021-1387
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.
