SB2017071803 - Arch Linux update for libtiff
Published: July 18, 2017
Security Bulletin ID
SB2017071803
CSH Severity
High
Patch available
YES
Number of vulnerabilities
2
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) Out-of-bounds write (CVE-ID: CVE-2015-7554)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error in _TIFFVGetField() function in tif_dir.c in libtiff 4.0.6. A remote attacker can create a specially crafted TIFF image, trick the victim into opening it and execute arbitrary code on the target system.
2) Stack-based buffer overflow (CVE-ID: CVE-2016-10095)
CWE-ID: CWE-121 - Stack-based buffer overflow
CVSSv4: 6.9 [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]
The vulnerability allows a remote attacker to cause DoS condition.
The weakness exits due to stack-based buffer overflow in the _TIFFVGetField function in tif_dir.c. A remote attacker can send specially crafted TIFF file and cause the application to crash.
Successful exploitation of the vulnerability results in denial of service.
Remediation
Install update from vendor's website.