Risk | High |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2011-3192 |
CWE-ID | CWE-400 |
Exploitation vector | Network |
Public exploit | This vulnerability is being exploited in the wild. |
Vulnerable software Subscribe |
apache2 (Alpine package) Operating systems & Components / Operating system package or component |
Vendor | Alpine Linux Development Team |
Security Bulletin
This security bulletin contains one high risk vulnerability.
EUVDB-ID: #VU2934
Risk: High
CVSSv3.1: 8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:F/RL:O/RC:C]
CVE-ID: CVE-2011-3192
CWE-ID:
CWE-400 - Resource exhaustion
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to cause DoS conditions on the target system.
The weakness exists due to an error in the ByteRange filter when processing malicious requests in Apache HTTP server. A remote attacker can send a specially crafted HTTP request containing an overly large Range header, exhaust all available memory resources and trigger the application to crash.
Successful exploitation of the vulnerability results in denial service on the vulnerable system.
Note: the vulnerability was being actively exploited.
Install update from vendor's website.
Vulnerable software versionsapache2 (Alpine package): 2.2.17-r1 - 2.2.17-r5
External linkshttp://git.alpinelinux.org/aports/commit/?id=14d8b3ce0d0c7c58bf88f7497905e44f222409a7
http://git.alpinelinux.org/aports/commit/?id=918f5782d54417508c1661fc5cebbd7f1be44bd1
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. However, a fully functional exploit for this vulnerability is available.