IKE: strongSwan RSASSA-PSS Signature Denial of Service

This signature detects attempt to exploit denial-of-service vulnerability which has been reported in strongSwan. A remote attacker could exploit this vulnerability by sending a crafted message to the target server. Successful exploitation of this vulnerability could result in denial-of-service conditions on the target server.

Extended Description

The rsa_pss_params_parse function in libstrongswan/credentials/keys/signature_params.c in strongSwan 5.6.1 allows remote attackers to cause a denial of service via a crafted RSASSA-PSS signature that lacks a mask generation function parameter.

Affected Products

Strongswan strongswan

References

CVE: CVE-2018-6459

Short Name
IKE:DOS:RSASSA-PSS-DOS
Severity
Major
Recommended
True
Recommended Action
Drop
Category
IKE
Keywords
CVE-2018-6459 Denial RSASSA-PSS Service Signature of strongSwan
Release Date
03/13/2018
Supported Platforms

srx-branch-12.3

srx-19.3

srx-branch-19.3

vsrx3bsd-19.2

srx-branch-19.4

vsrx-19.4

mx-12.3

mx-19.4

vmx-19.4

mx-19.3

vsrx3bsd-19.4

srx-19.4

vsrx-12.3

vmx-19.3

vsrx-19.2

srx-12.3

Sigpack Version
3337
False Positive
Unknown
Vendors

Strongswan

CVSS Score

5.0

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