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CVE-2018-1000027

high · 7.5

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.

7.5
CVSS
12.9%
EPSS (exploit prob.)
96th
EPSS percentile
2018-02-09
Published

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CWE-476

Affected products

VendorProductAffected versions
squid-cachesquid< 4.0.23
debiandebian_linux7.0
debiandebian_linux8.0
debiandebian_linux9.0
canonicalubuntu_linux14.04
canonicalubuntu_linux16.04
canonicalubuntu_linux17.10

Check a specific version with /api/v1/cve/match.

References

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2018-1000027