Openser: Security Vulnerabilities
OpenSER 1.2.2 does not verify the Digest authentication header URI against the Request URI in SIP messages, which allows remote attackers to use sniffed Digest authentication credentials to call arbitrary telephone numbers or spoof caller ID (aka "toll fraud and authentication forward attack"). NOTE: Debian disputes this issue, stating that "having the two URIs mismatch is allowed by the standard and happens in some setups for valid reasons.
CVSS Score
5.0
EPSS Score
0.007
Published
2007-10-16
Buffer overflow in the validateospheader function in the Open Settlement Protocol (OSP) module in OpenSER 1.1.0 and earlier allows remote attackers to execute arbitrary code via a crafted OSP header.
CVSS Score
7.5
EPSS Score
0.034
Published
2006-12-31
Buffer overflow in the fetchsms function in the SMS handling module (libsms_getsms.c) in OpenSER 1.2.0 and earlier allows remote attackers to cause a denial of service (crash) via a crafted SMS message, triggering memory corruption when the "beginning" buffer is copied to the third (pdu) argument.
CVSS Score
7.5
EPSS Score
0.01
Published
2006-12-31
Buffer overflow in the parse_expression function in parse_config in OpenSER 1.1.0 allows attackers to have an unknown impact via a long str parameter.
CVSS Score
9.3
EPSS Score
0.009
Published
2006-12-27