[IT-SecNots] [SECURITY] [DSA 4017-1] openssl1.0 security update

[Salvatore Bonaccorso <carnil AT debian.org>]

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Debian Security Advisory DSA-4017-1                   security AT debian.org
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/

Mailing list: debian-security-announce AT lists.debian.org
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