5 Medium
CVSS2
Access Vector
NETWORK
Access 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
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.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 12 | all | openssl | < 3.0.11-1~deb12u2 | openssl_3.0.11-1~deb12u2_all.deb |
Debian | 11 | all | openssl | < 1.1.1w-0+deb11u1 | openssl_1.1.1w-0+deb11u1_all.deb |
Debian | 10 | all | openssl | < 1.1.1n-0+deb10u3 | openssl_1.1.1n-0+deb10u3_all.deb |
Debian | 999 | all | openssl | < 3.2.1-3 | openssl_3.2.1-3_all.deb |
Debian | 13 | all | openssl | < 3.2.1-3 | openssl_3.2.1-3_all.deb |