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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2020-28361 Detail

Description

Kamailio before 5.4.0, as used in Sip Express Router (SER) in Sippy Softswitch 4.5 through 5.2 and other products, allows a bypass of a header-removal protection mechanism via whitespace characters. This occurs in the remove_hf function in the Kamailio textops module. Particular use of remove_hf in Sippy Softswitch may allow skilled attacker having a valid credential in the system to disrupt internal call start/duration accounting mechanisms leading potentially to a loss of revenue.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://packetstormsecurity.com/files/159030/Kamailio-5.4.0-Header-Smuggling.html Exploit  Third Party Advisory  VDB Entry 
https://packetstormsecurity.com/files/159030/Kamailio-5.4.0-Header-Smuggling.html Exploit  Third Party Advisory  VDB Entry 
https://support.sippysoft.com/support/discussions/topics/3000179616 Permissions Required 
https://support.sippysoft.com/support/discussions/topics/3000179616 Permissions Required 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-28361
NVD Published Date:
11/18/2020
NVD Last Modified:
11/21/2024
Source:
MITRE