Vulnerability identifier: #VU10953
Vulnerability risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-20
Exploitation vector: Local network
Exploit availability: No
Vulnerable software:
Apache HTTP Server
Server applications /
Web servers
Vendor: Apache Foundation
Description
The vulnerability allows an adjacent unauthenticated attacker to cause DoS condition on the target system.
The weakness exists in the mod_cluster module due to improper input validation by the protocol parsing logic in the mod_cluster module. An adjacent attacker can send a specially crafted request, trigger a segmentation fault in the serving httpdprocess and cause the service to crash.
Mitigation
Update to version 2.4.23.
Vulnerable software versions
Apache HTTP Server: 2.4.0.0 - 2.4.22
External links
http://access.redhat.com/errata/RHSA-2016:2957
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.