SB2018111214 - Security restrictions bypass in ghostscript (Alpine package)
Published: November 12, 2018
Security Bulletin ID
SB2018111214
CSH 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 vulnerability.
1) Security restrictions bypass (CVE-ID: CVE-2018-18073)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to bypass security restrictions on the target system.
The weakness exists due to exposure of system operators in the saved execution stack in an error object. A remote attacker can bypass a sandbox protection mechanism to conduct further attacks.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=b0243d03648d68851d3b5edb68da29eaae5c9f0f
- https://git.alpinelinux.org/aports/commit/?id=b38a11ee1f5109ffc2f67afa52903b9437dd4111
- https://git.alpinelinux.org/aports/commit/?id=26eef1d272a38c562dbd29a5488fb5a5efaa903e
- https://git.alpinelinux.org/aports/commit/?id=9ce86c9b20156dccf8608730175929399fa2ac9b
- https://git.alpinelinux.org/aports/commit/?id=df196f013c1754a810980f06dba86c4f9e8d1cfe
- https://git.alpinelinux.org/aports/commit/?id=38c2fab4c40672459821302e7eec434b602757b8
- https://git.alpinelinux.org/aports/commit/?id=4a52a88813303a6f82eed629efa03380141dfb5b