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veracodeVeracode Vulnerability DatabaseVERACODE:26891
HistorySep 21, 2020 - 6:24 a.m.

HTTP Request Smuggling

2020-09-2106:24:14
Veracode Vulnerability Database
sca.analysiscenter.veracode.com
8

EPSS

0.007

Percentile

81.0%

squid3 is vulnerable to HTTP request smuggling. It allows attackers to smuggle HTTP requests through frontend software to a Squid instance that splits the HTTP Request pipeline differently. The resulting Response messages corrupt caches (between a client and Squid) with attacker-controlled content at arbitrary URLs. Effects are isolated to software between the attacker client and Squid. There are no effects on Squid itself, nor on any upstream servers. The issue is related to a request header containing whitespace between a header name and a colon.