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cve[email protected]CVE-2015-0291
HistoryMar 19, 2015 - 10:59 p.m.

CVE-2015-0291

2015-03-1922:59:09
web.nvd.nist.gov
74
openssl
sigalgs
t1_lib.c
cve-2015-0291
nvd
denial of service

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

6.1 Medium

AI Score

Confidence

High

0.904 High

EPSS

Percentile

98.8%

The sigalgs implementation in t1_lib.c in OpenSSL 1.0.2 before 1.0.2a allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) by using an invalid signature_algorithms extension in the ClientHello message during a renegotiation.

Affected configurations

NVD
Node
opensslopensslMatch1.0.2
OR
opensslopensslMatch1.0.2beta1
OR
opensslopensslMatch1.0.2beta2
OR
opensslopensslMatch1.0.2beta3
CPENameOperatorVersion
openssl:opensslopenssleq1.0.2

References

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

6.1 Medium

AI Score

Confidence

High

0.904 High

EPSS

Percentile

98.8%