Resource management error in apache2 (Alpine package)



Published: 2011-10-17
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2011-3348
CWE-ID CWE-399
Exploitation vector Network
Public exploit N/A
Vulnerable software
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apache2 (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Resource management error

EUVDB-ID: #VU32851

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2011-3348

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

The mod_proxy_ajp module in the Apache HTTP Server before 2.2.21, when used with mod_proxy_balancer in certain configurations, allows remote attackers to cause a denial of service (temporary "error state" in the backend server) via a malformed HTTP request.

Mitigation

Install update from vendor's website.

Vulnerable software versions

apache2 (Alpine package): 2.2.20-r0

External links

http://git.alpinelinux.org/aports/commit/?id=9b66b111e71d7a05d49d0c97eec11b8940d5ef63
http://git.alpinelinux.org/aports/commit/?id=2bd7604b97b22478cafae3519efd0ff42c4eef20


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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