Stay Secure with the Latest Linux Advisories

security advisorymemory leakSlackware

Slackware: 2017-332-01 Critical: Samba Memory Leak Exploit

New samba packages are available for Slackware 14.0, 14.1, 14.2, and -current to fix security issues. . -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 [slackware-security] samba (SSA:2017-332-01) New samba packages are available for Slackware 14.0, 14.1, 14.2, and -current to fix security issues. Here are the details from the Slackware 14.2 ChangeLog: +--------------------------+ patches/packages/samba-4.4.16-i586-2_slack14.2.txz: Rebuilt. This is a security update in order to patch the following defects: CVE-2017-14746 (Use-after-free vulnerability.) All versions of Samba from 4.0.0 onwards are vulnerable to a use after free vulnerability, where a malicious SMB1 request can be used to control the contents of heap memory via a deallocated heap pointer. It is possible this may be used to compromise the SMB server. CVE-2017-15275 (Server heap memory information leak.) All versions of Samba from 3.6.0 onwards are vulnerable to a heap memory information leak, where server allocated heap memory may be returned to the client without being cleared. For more information, see: https://www.cve.org/CVERecord?id=CVE-2017-14746 https://www.cve.org/CVERecord?id=CVE-2017-15275 (* Security fix *) +--------------------------+ Where to find the new packages: +-----------------------------+ Thanks to the friendly folks at the OSU Open Source Lab (https://osuosl.org/) for donating FTP and rsync hosting to the Slackware project! :-) Also see the "Get Slack" section on http://www.slackware.com/ for additional mirror sites near you. Updated package for Slackware 14.0: Updated package for Slackware x86_64 14.0: Updated package for Slackware 14.1: Updated package for Slackware x86_64 14.1: Updated package for Slackware 14.2: Updated package for Slackware x86_64 14.2: Updated package for Slackware -current: Updated package for Slackware x86_64 -current: MD5 signatures: +-------------+ Slackware 14.0 package: 7425e85c12fbb6437972750ad82076f9 samba-4.4.16-i486-2_slack14.0.txz Slackware x86_64 14.0 package: 3db6126ef7d2396674a084c8f4b40ea3 samba-4.4.16-x86_64-2_slack14.0.txz Slackware 14.1 package: b617e553d66d1c1c80e3453048a672aa samba-4.4.16-i486-2_slack14.1.txz Slackware x86_64 14.1 package: 763f7ecd40588d020fbe8c04092e4a58 samba-4.4.16-x86_64-2_slack14.1.txz Slackware 14.2 package: 8751de79b4a099637e4325a22855f7b2 samba-4.4.16-i586-2_slack14.2.txz Slackware x86_64 14.2 package: 2bf34a7fde12b6eac358780b7bf14d9d samba-4.4.16-x86_64-2_slack14.2.txz Slackware -current package: 6e3e2157dac69e0eeb8d8f51152804c2 n/samba-4.7.3-i586-1.txz Slackware x86_64 -current package: 565ddcb96f06d703d5728170b162d4ea n/samba-4.7.3-x86_64-1.txz Installation instructions: +------------------------+ Upgrade the package as root: # upgradepkg samba-4.4.16-i586-2_slack14.2.txz Then, if Samba is running restart it: # /etc/rc.d/rc.samba restart +-----+ . Fresh samba updates for Slackware tackle urgent problems related to memory overflow and possible vulnerabilities in server security.. Samba Packages, Slackware Update, Memory Leak Fixes, Server Exploits. . Severity: Critical. LinuxSecurity.com Team

Nov 28, 2017 •Critical Slackware