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Debian Security Advisory 3182-1

Debian Security Advisory 3182-1
Posted Mar 11, 2015
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3182-1 - Mariusz Ziulek reported that libssh2, a SSH2 client-side library, was reading and using the SSH_MSG_KEXINIT packet without doing sufficient range checks when negotiating a new SSH session with a remote server. A malicious attacker could man in the middle a real server and cause a client using the libssh2 library to crash (denial of service) or otherwise read and use unintended memory areas in this process.

tags | advisory, remote, denial of service
systems | linux, debian
advisories | CVE-2015-1782
SHA-256 | 56e9da97a560309b0ac9c520969ba7154b3f72b3e1c8f6089c1f38150e589102

Debian Security Advisory 3182-1

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- -------------------------------------------------------------------------
Debian Security Advisory DSA-3182-1 security@debian.org
http://www.debian.org/security/ Salvatore Bonaccorso
March 11, 2015 http://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : libssh2
CVE ID : CVE-2015-1782
Debian Bug : 780249

Mariusz Ziulek reported that libssh2, a SSH2 client-side library, was
reading and using the SSH_MSG_KEXINIT packet without doing sufficient
range checks when negotiating a new SSH session with a remote server. A
malicious attacker could man in the middle a real server and cause a
client using the libssh2 library to crash (denial of service) or
otherwise read and use unintended memory areas in this process.

For the stable distribution (wheezy), this problem has been fixed in
version 1.4.2-1.1+deb7u1.

We recommend that you upgrade your libssh2 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@lists.debian.org
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