A vulnerability in Samba could allow an authenticated, remote attacker to gain access to sensitive information on a targeted system.
The vulnerability is due to improper memory allocation by the affected software. An attacker could exploit this vulnerability by submitting a crafted request to the affected system. A successful exploit could allow the attacker to gain access to sensitive information from heap memory on the targeted system.
Samba has confirmed the vulnerability and released software patches.
To exploit this vulnerability, an attacker must have authenticated access and transmit malicious requests to a targeted system. This access requirement could reduce the likelihood of a successful exploit.
Administrators are advised to apply the appropriate updates.
Administrators are advised to allow only trusted users to have network access.
Administrators are advised to monitor affected systems.
Samba has released a security announcement at the following link: CVE-2017-15275
Samba has released software patches at the following link: Samba Updates
Red Hat has released updated software for registered subscribers at the following link: Red Hat Network. Red Hat packages can be updated on Red Hat Enterprise Linux versions 5 and later by using the yum tool.
Red Hat has released an additional security advisory and updated packages to address the Samba heap memory information disclosure vulnerability.
Vendor Announcements, Fixed Software, and Affected Products
Red Hat has released a security advisory and updated packages to address the Samba heap memory information disclosure vulnerability.
big endian 6 (ppc64) | big endian 7 (ppc64) | little endian 7 (ppc64le) | little endian - Extended Update Support 7.4 (ppc64le) | big endian - Extended Update Support 7.4 (ppc64)
Red Hat Enterprise Linux Server
6 (x86_64, i386) | 7 (x86_64) | 4 Year Extended Update Support 7.4 (x86_64)
Red Hat Enterprise Linux Resilient Storage
Red Hat Enterprise Linux Resilient Storage EUS
Red Hat Enterprise Linux Server TUS
Red Hat Enterprise Linux Workstation
6 (x86_64, i386) | 7 (x86_64)
Red Hat Gluster Storage
for On-premise 3 for RHEL 7 (x86_64) | for On-premise 3 for RHEL 6 (x86_64)
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux EUS Compute Node
Red Hat Enterprise Linux Server for ARM
Red Hat Enterprise Linux Server (for IBM Power LE)
4 Year Extended Update Support 7.4 (ppc64le)
Red Hat Enterprise Linux Resilient Storage (for IBM z Systems)
7 (ppc64le) | Extended Update Support 7.4 (ppc64le)
Red Hat Enterprise Linux for Power 9
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Cisco Multivendor Vulnerability Alerts respond to vulnerabilities identified in third-party vendors' products. These alerts contain information compiled from diverse sources and provide comprehensive technical descriptions, objective analytical assessments, workarounds and practical safeguards, and links to vendor advisories and patches.