Debian: DSA-4017-1: openssl1.0 security update

Date 03 Nov 2017

Category Debian Linux Distribution - Security Advisories

283

Posted By LinuxSecurity Advisories

Multiple vulnerabilities have been discovered in OpenSSL, a Secure Sockets Layer toolkit. The Common Vulnerabilities and Exposures project identifies the following issues:

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Debian Security Advisory DSA-4017-1 This email address is being protected from spambots. You need JavaScript enabled to view it.
https://www.debian.org/security/ Salvatore Bonaccorso
November 03, 2017 https://www.debian.org/security/faq
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Package : openssl1.0
CVE ID : CVE-2017-3735 CVE-2017-3736

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.

Details can be found in the upstream advisory:
https://www.openssl.org/news/secadv/20170828.txt

CVE-2017-3736

It was discovered that OpenSSL contains a carry propagation bug in
the x86_64 Montgomery squaring procedure.

Details can be found in the upstream advisory:
https://www.openssl.org/news/secadv/20171102.txt

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.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

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