openEuler 20.03 LTS update for httpd-2.4.34-18



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-10082
CWE-ID CWE-416
Exploitation vector Network
Public exploit N/A
Vulnerable software
openEuler
Operating systems & Components / Operating system

mod_ssl
Operating systems & Components / Operating system package or component

mod_session
Operating systems & Components / Operating system package or component

mod_proxy_html
Operating systems & Components / Operating system package or component

mod_md
Operating systems & Components / Operating system package or component

mod_ldap
Operating systems & Components / Operating system package or component

httpd-tools
Operating systems & Components / Operating system package or component

httpd-help
Operating systems & Components / Operating system package or component

httpd-filesystem
Operating systems & Components / Operating system package or component

httpd-devel
Operating systems & Components / Operating system package or component

httpd-debugsource
Operating systems & Components / Operating system package or component

httpd-debuginfo
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) Use-after-free

EUVDB-ID: #VU20386

Risk: Medium

CVSSv4.0: 2.7 [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:U/U:Green]

CVE-ID: CVE-2019-10082

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The vulnerability exists due to a use-after-free error within the mod_http2 when handling connection shutdown. A remote attacker can send specially crafted requests to the affected server and make the mod_http2 to read memory that was already freed.


Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS

mod_ssl: before 2.4.34-17

mod_session: before 2.4.34-17

mod_proxy_html: before 2.4.34-17

mod_md: before 2.4.34-17

mod_ldap: before 2.4.34-17

httpd-tools: before 2.4.34-17

httpd-help: before 2.4.34-17

httpd-filesystem: before 2.4.34-17

httpd-devel: before 2.4.34-17

httpd-debugsource: before 2.4.34-17

httpd-debuginfo: before 2.4.34-17

httpd: before 2.4.34-17

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2020-1002


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.



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