SB2018032009 - Security restrictions bypass in rsync (Alpine package)
Published: March 20, 2018
Security Bulletin ID
SB2018032009
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Security restrictions bypass (CVE-ID: CVE-2018-5764)
The vulnerability allows a remote attacker to bypass security controls on the target system.The weakness exists in the parse_arguments() function in 'options.c' due to insufficient validation of user-supplied input. A remote attacker can send multiple '--protect-args' values and bypass the argument-sanitization protection mechanism.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=4b0114024e6182993b944233c2e726395b599f7b
- https://git.alpinelinux.org/aports/commit/?id=5210d540ebb8f27078881e69626388f6ff6a19d7
- https://git.alpinelinux.org/aports/commit/?id=715507dc62229f9d5829b78732cae217c1b31865
- https://git.alpinelinux.org/aports/commit/?id=9cd8a524f060c689c2aaf6c3d204e66a073758f7