CVE-2020-15049
Critical
Description
An issue was discovered in http/ContentLengthInterpreter.cc in Squid before 4.12 and 5.x before 5.0.3. A Request Smuggling and Poisoning attack can succeed against the HTTP cache. The client sends an HTTP request with a Content-Length header containing "+\ "-" or an uncommon shell whitespace character prefix to the length field-value.
SeverityCritical
CVSS9.9
Exploit probability—
Product
Squid
PublishedJun 30, 2020
First seenJun 30, 2020
How to fix
Update
- squid-cache squid4.12, 5.0.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| squid-cache squid | 2.0 ≤ v ≤ 2.6, 3.1 ≤ v ≤ 3.5.28, 4.0 ≤ v < 4.12, 5.0 ≤ v < 5.0.3, 2.7 | 4.12, 5.0.3 |
| fedoraproject fedora | 31 | — |
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