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Debian Security Advisory 3816-1

Debian Security Advisory 3816-1
Posted Mar 23, 2017
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3816-1 - Jann Horn of Google discovered a time-of-check, time-of-use race condition in Samba, a SMB/CIFS file, print, and login server for Unix. A malicious client can take advantage of this flaw by exploiting a symlink race to access areas of the server file system not exported under a share definition.

tags | advisory
systems | linux, unix, debian
advisories | CVE-2017-2619
SHA-256 | 434a20cacd3bd0934e9033297b94d7d20538dcdd16b9aa801bbe945b0951ceb5

Debian Security Advisory 3816-1

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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

- -------------------------------------------------------------------------
Debian Security Advisory DSA-3816-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
March 23, 2017 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : samba
CVE ID : CVE-2017-2619

Jann Horn of Google discovered a time-of-check, time-of-use race
condition in Samba, a SMB/CIFS file, print, and login server for Unix. A
malicious client can take advantage of this flaw by exploting a symlink
race to access areas of the server file system not exported under a
share definition.

For the stable distribution (jessie), this problem has been fixed in
version 2:4.2.14+dfsg-0+deb8u4.

For the unstable distribution (sid), this problem has been fixed in
version 2:4.5.6+dfsg-2.

We recommend that you upgrade your samba 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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