Vulnerability Monitor

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CVE-2016-4407

The DSA algorithm implementation in SAP SAPCRYPTOLIB 5.555.38 does not properly check signatures, which allows remote authenticated users to impersonate arbitrary users via unspecified vectors, aka SAP Security Note 2223008.

Published

2016-10-13T14:59:06.190

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 6.5 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:N/I:P/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

8.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-284

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	sap	sapcryptolib	5.555.38	Yes

References

http://seclists.org/fulldisclosure/2016/Oct/32 Mailing List, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/93502 ([email protected])
https://www.onapsis.com/research/security-advisories/sap-missing-signature-check-dsa-algorithm Permissions Required ([email protected])
http://seclists.org/fulldisclosure/2016/Oct/32 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/93502 (af854a3a-2127-422b-91ae-364da2661108)
https://www.onapsis.com/research/security-advisories/sap-missing-signature-check-dsa-algorithm Permissions Required (af854a3a-2127-422b-91ae-364da2661108)