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high7.5

CVE-2018-1000027

The Squid Software Foundation Squid HTTP Caching Proxy version prior to version 4.0.23 contains a NULL Pointer Dereference vulnerability in HTTP Response X-For…

Impact

The Squid Software Foundation Squid HTTP Caching Proxy version prior to version 4.0.23 contains a NULL Pointer Dereference vulnerability in HTTP Response X-Forwarded-For header processing that can result in Denial of Service to all clients of the proxy. This attack appear to be exploitable via Remote HTTP server responding with an X-Forwarded-For header to certain types of HTTP request. This vulnerability appears to have been fixed in 4.0.23 and later.

Affected products

VendorProductAffected versions
Squid-CacheSquid
before 4.0.23
DebianDebian Linux
Versions 7.0, 8.0, 9.0
CanonicalUbuntu Linux
Versions 14.04, 16.04, 17.10

Weakness classification

CWE-476

References