Improper input validation in LibTIFF - CVE-2017-9147

 

Improper input validation in LibTIFF - CVE-2017-9147

Published: July 11, 2017 / Updated: September 14, 2018


Vulnerability identifier: #VU7403
CSH Severity: Low
CVSS v4: 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]
CVE-ID: CVE-2017-9147
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: Public exploit is available

Vulnerability details

The vulnerability allows a remote attacker to cause DoS condition.

The weakness exits due to invalid read 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.

Affected software

LibTIFF
Debian Linux
Dynamic System Analysis (DSA) Preboot

How to mitigate CVE-2017-9147

Update to version 4.0.8-3.

Dynamic System Analysis (DSA) Preboot - update to dsyte2z-9.65

Links to Public Exploits and PoC-codes

External References

Related Security Bulletins