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Debian Security Advisory DSA 3197-1 (openssl - security update)

Information

Severity

Severity

High

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

7.5

CVSSv2 Vector

CVSSv2 Vector

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

Solution Type

Solution Type

Vendor Patch

Created

Created

7 years ago

Modified

Modified

1 year ago

Summary

Multiple vulnerabilities have been discovered in OpenSSL, a Secure Sockets Layer toolkit. The Common Vulnerabilities and Exposures project identifies the following issues: CVE-2015-0286 Stephen Henson discovered that the ASN1_TYPE_cmp() function can be crashed, resulting in denial of service. CVE-2015-0287 Emilia Kaesper discovered a memory corruption in ASN.1 parsing. CVE-2015-0289 Michal Zalewski discovered a NULL pointer dereference in the PKCS#7 parsing code, resulting in denial of service. CVE-2015-0292 It was discovered that missing input sanitising in base64 decoding might result in memory corruption. CVE-2015-0209 It was discovered that a malformed EC private key might result in memory corruption. CVE-2015-0288 It was discovered that missing input sanitising in the X509_to_X509_REQ() function might result in denial of service.

Affected Software

Affected Software

openssl on Debian Linux

Detection Method

Detection Method

This check tests the installed software version using the apt package manager.

Solution

Solution

For the stable distribution (wheezy), these problems have been fixed in version 1.0.1e-2+deb7u15. In this update the export ciphers are removed from the default cipher list. We recommend that you upgrade your openssl packages.