SB2017081114 - Denial of service in GraphicsMagick

Description

This security bulletin contains information about 2 vulnerabilities.

1) Memory leak (CVE-ID: CVE-2017-11641)

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

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 in the PersistCache function in magick/pixel_cache.c due to memory leak during writing of Magick Persistent Cache (MPC) files. A remote attacker can trigger memory corruption and cause the service to crash.

2) Memory leak (CVE-ID: CVE-2017-13066)

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

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 in the function CloneImage in magick/image.c due to memory leak. A remote attacker can trigger memory corruption and cause the service to crash.

Remediation

Install update from vendor's website.

References

• http://hg.code.sf.net/p/graphicsmagick/code/rev/db732abd9318
• https://sourceforge.net/p/graphicsmagick/bugs/430/