SB2018051131 - Use-after-free error in mupdf (Alpine package)
Published: May 11, 2018
Security Bulletin ID
SB2018051131
Severity
High
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 security vulnerability.
1) Use-after-free error (CVE-ID: CVE-2018-1000051)
The vulnerability allows a remote attacker to cause DoS condition or execute arbitrary code on the target system.The weakness exists in the fz_keep_key_storable due to use-after-free error. A remote attacker can submit a specially crafted PDF file, trigger memory corruption and cause the service to crash or execute arbitrary code.
Successful exploitation of the vulnerability may result in system compromise.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=d9c3c9c209f455ed747c905497cfdbfd57baa2c8
- https://git.alpinelinux.org/aports/commit/?id=44edd0a362a97c812a59af6d93f91741ddff47c6
- https://git.alpinelinux.org/aports/commit/?id=70bbeef9560773077c355e9816977d9ab61c15c6
- https://git.alpinelinux.org/aports/commit/?id=f26e75a18613c396b7491f5210d42a45aefa6031