SB2019031815 - Out-of-bounds read in php7 (Alpine package)
Published: March 18, 2019
Security Bulletin ID
SB2019031815
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2019-9020)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within the xml_elem_parse_buf() in ext/xmlrpc/libxmlrpc/xml_element.c when reading XML data via the xmlrpc_decode() PHP function. A remote attacker can create a specially crafted XML file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.
Remediation
Install update from vendor's website.