Mageia Linux Local Check: mgasa-2015-0466

Published: 2015-12-08 09:03:38
CVE Author: NIST National Vulnerability Database (NVD)

Technical Details:
If a client receives a ServerKeyExchange for an anonymous DH ciphersuite with the value of p set to 0 then a seg fault can occur leading to a possible denial of service attack (CVE-2015-1794). Loic Jonas Etienne of Qnective AG discovered that the signature verification routines will crash with a NULL pointer dereference if presented with an ASN.1 signature using the RSA PSS algorithm and absent mask generation function parameter. A remote attacker can exploit this flaw to crash any certificate verification operation and mount a denial of service attack (CVE-2015-3194). Adam Langley of Google/BoringSSL discovered that OpenSSL will leak memory when presented with a malformed X509_ATTRIBUTE structure (CVE-2015-3195). A race condition flaw in the handling of PSK identify hints was discovered, potentially leading to a double free of the identify hint data (CVE-2015-3196).

Recommendations:
Update the affected Linux Distribution Packages to the latest available version.

Solution Type:
Vendor Patch

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

Detection Type:
Linux Distribution Package

Summary:
Mageia Linux Local Security Checks mgasa-2015-0466

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

https://nvd.nist.gov/vuln/detail/CVE-2015-1794
https://nvd.nist.gov/vuln/detail/CVE-2015-3194
https://nvd.nist.gov/vuln/detail/CVE-2015-3195
https://nvd.nist.gov/vuln/detail/CVE-2015-3196

References:

https://advisories.mageia.org/MGASA-2015-0466.html

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Severity
Medium
CVSS Score
5.0

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