Denial of service in squid (Alpine package)



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2016-2571
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 squid (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Denial of service

EUVDB-ID: #VU4172

Risk: Low

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:Clear]

CVE-ID: CVE-2016-2571

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in http.cc due to proceeding with the storage of certain data after a response-parsing failure. A remote attacker can use a specially crafted response, trigger assertion failure and daemon exit and cause the service to crash.

Mitigation

Install update from vendor's website.

Vulnerable software versions

squid (Alpine package): 3.4.14-r2

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=f7fb6eb9c7b2bdc8ac41b605df86bb2fa114e89a


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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