HTTP response splitting in Cpp-httplib - CVE-2020-11709
Published: August 21, 2023
Vulnerability identifier: #VU79776
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-11709
CWE-ID: CWE-113
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform HTTP splitting attacks.
The vulnerability exists due to software does not correclty process CRLF character sequences passed into the set_redirect() and set_header() functions. A remote attacker can send specially crafted request containing CRLF sequence and make the application to send a split HTTP response.
Successful exploitation of the vulnerability may allow an attacker perform cache poisoning attack.
Affected software
Cpp-httplib
openEuler
cpp-httplib
openEuler
cpp-httplib
How to mitigate CVE-2020-11709
Install updates from vendor's website.
Cpp-httplib - update to 0.5.9
cpp-httplib - update to 0.12.4-1
cpp-httplib - update to 0.12.4-1