SB2016052609 - Buffer overflow in Tenable Nessus in expat (Alpine package)
Published: May 26, 2016
Security Bulletin ID
SB2016052609
CSH Severity
Critical
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Buffer overflow in Tenable Nessus (CVE-ID: CVE-2016-0718)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Red
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to boundary error when handling malformed input documents. A remote unauthenticated attacker can trigger a buffer overflow in the Expat XML parser library and execute arbitrary code by sending specially crafted data to vulnerable server.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=aac85219bd4fde7b788fc49901812097cf6c505f
- https://git.alpinelinux.org/aports/commit/?id=d8d41b70e354f4ff919f684bc166f000b97a0163
- https://git.alpinelinux.org/aports/commit/?id=bb896ccfec6598cff962ca7bdf40e3c1a8d3d5b9
- https://git.alpinelinux.org/aports/commit/?id=f178e940198d9adce71ee406dfcf6d71f2530629
- https://git.alpinelinux.org/aports/commit/?id=2d54dce8b391bd0303685760cc41aed58f3f29f0
- https://git.alpinelinux.org/aports/commit/?id=898dee7495223dc8bcc1833067255f8b426a1832