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Debian Security Advisory DSA 4017-1 (openssl1.0 - security update)

Information

Severity

Severity

Medium

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

5.0

CVSSv2 Vector

CVSSv2 Vector

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

Solution Type

Solution Type

Vendor Patch

Created

Created

5 years ago

Modified

Modified

3 years 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-2017-3735 It was discovered that OpenSSL is prone to a one-byte buffer overread while parsing a malformed IPAddressFamily extension in an X.509 certificate. CVE-2017-3736 It was discovered that OpenSSL contains a carry propagation bug in the x86_64 Montgomery squaring procedure.

Affected Software

Affected Software

openssl1.0 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 (stretch), these problems have been fixed in version 1.0.2l-2+deb9u1. For the unstable distribution (sid), these problems have been fixed in version 1.0.2m-1. We recommend that you upgrade your openssl1.0 packages.

Common Vulnerabilities and Exposures (CVE)