Vulnerability identifier: #VU64088
Vulnerability risk: Medium
Exploitation vector: Network
Exploit availability: No
Vendor: Apache Foundation
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition when processing HTTP requests in mod_lua with websockets. A remote attacker can force the module to return lengths to applications calling r:wsread() that point past the end of the storage allocated for the buffer and gain access to sensitive information.
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Vulnerable software versions
Apache HTTP Server: 2.0 - 2.4.53
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.