SB2017111301 - Multiple vulnerabilities in Foxit MobilePDF for iOS
Published: November 13, 2017
Security Bulletin ID
SB2017111301
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
2
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) Improper input validation (CVE-ID: N/A)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to insufficient validation of user-supplied input. A remote attacker can upload a specially crafted file including hexadecimal Unicode character in the “filename” parameter via Wi-Fi and case the application to fail to parse such file name.
Successful exploitation of the vulnerability results in denial of service.
2) Directory traversal (CVE-ID: N/A)
CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
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 directory traversal. A remote attacker can send a specially crafted HTTP request, abuse the URL + escape character during Wi-Fi transfer, bypass security restrictions and manipulate the local application files maliciously.
Remediation
Install update from vendor's website.