Vulnerability Details

OpenSSL Multiple Vulnerabilities (20150108 - 1) - Windows

Published: 2021-07-19 12:38:23
CVE Author: NIST National Vulnerability Database

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

Detection Type:
Remote Banner

Solution Type:
Vendor Patch

Summary:
OpenSSL is prone to multiple vulnerabilities.

Detection Method:
Checks if a vulnerable version is present on the target host.

Technical Details:
The following flaws exist: - CVE-2014-3571: A carefully crafted DTLS message can cause a segmentation fault in OpenSSL due to a NULL pointer dereference. This could lead to a Denial Of Service attack. - CVE-2014-3569: When openssl is built with the no-ssl3 option and a SSL v3 ClientHello is received the ssl method would be set to NULL which could later result in a NULL pointer dereference. - CVE-2014-3572: An OpenSSL client will accept a handshake using an ephemeral ECDH ciphersuite using an ECDSA certificate if the server key exchange message is omitted. This effectively removes forward secrecy from the ciphersuite. - CVE-2015-0204: An OpenSSL client will accept the use of an RSA temporary key in a non-export RSA key exchange ciphersuite. A server could present a weak temporary key and downgrade the security of the session. - CVE-2014-8275: OpenSSL accepts several non-DER-variations of certificate signature algorithm and signature encodings. OpenSSL also does not enforce a match between the signature algorithm between the signed and unsigned portions of the certificate. By modifying the contents of the signature algorithm or the encoding of the signature, it is possible to change the certificate's fingerprint. - CVE-2014-3570: Bignum squaring (BN_sqr) may produce incorrect results on some platforms, including x86_64. This bug occurs at random with a very low probability, and is not known to be exploitable in any way, though its exact impact is difficult to determine.

Affected Versions:
OpenSSL version 0.9.8 through 0.9.8zc, 1.0.0 through 1.0.0o and 1.0.1 through 1.0.1j.

Recommendations:
Update to version 0.9.8zd, 1.0.0p, 1.0.1k or later.

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2014-3571
https://nvd.nist.gov/vuln/detail/CVE-2014-3569
https://nvd.nist.gov/vuln/detail/CVE-2014-3572
https://nvd.nist.gov/vuln/detail/CVE-2015-0204
https://nvd.nist.gov/vuln/detail/CVE-2014-8275
https://nvd.nist.gov/vuln/detail/CVE-2014-3570

References:

https://www.openssl.org/news/secadv/20150108.txt

Severity
Medium
CVSS Score
5.0
Published
2021-07-19
Modified
2021-07-30
Category
General

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