SB2018053021 - Out-of-bounds write in Little CMS

Description

This security bulletin contains information about 1 vulnerability.

1) Out-of-bounds write (CVE-ID: CVE-2018-11555)

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 non-authenticated attacker to execute arbitrary code.

tificc in Little CMS 2.9 has an out-of-bounds write in the PrecalculatedXFORM function in cmsxform.c in liblcms2.a via a crafted TIFF file.

Remediation

Install update from vendor's website.

References

• https://github.com/mm2/Little-CMS/issues/167
• https://github.com/xiaoqx/pocs/tree/master/cms