CVE-2021-30130

phpseclib before 2.0.31 and 3.x before 3.0.7 mishandles RSA PKCS#1 v1.5 signature verification.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://github.com/phpseclib/phpseclib/releases/tag/2.0.31	Release Notes Third Party Advisory
https://github.com/phpseclib/phpseclib/pull/1635	Third Party Advisory
https://github.com/phpseclib/phpseclib/releases/tag/3.0.7	Release Notes Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:phpseclib:phpseclib::::::::
	cpe:2.3:a:phpseclib:phpseclib::::::::

Information

Published : 2021-04-06 15:15

Updated : 2021-04-20 19:22

NVD link : CVE-2021-30130

Mitre link : CVE-2021-30130

JSON object : View

Products Affected

phpseclib

phpseclib

CWE

CWE-347

Improper Verification of Cryptographic Signature

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