HTTP: WECON LeviStudioU CharSize Stack Buffer Overflow
This signature detects attempts to exploit a known vulnerability against Wecon LeviStudiU. The vulnerability is due to improper validation of the length of user-supplied data in the CharSize attribute of HSC files. A remote attacker could exploit this vulnerability by enticing a user into opening a crafted HSC file. Successful exploitation could allow the attacker to execute arbitrary code under the context of users.
References
CVE: CVE-2020-16243
Short Name
HTTP:STC:WECON-CHARSIZE-BOF
Severity
Major
Recommended
True
Recommended Action
Drop
Category
HTTP
Keywords
Buffer CVE-2020-16243 CharSize LeviStudioU Overflow Stack WECON
Release Date
12/10/2020
Supported Platforms
srx-branch-19.3
vsrx3bsd-19.2
srx-19.4
vsrx3bsd-19.4
srx-branch-19.4
vsrx-19.4
vsrx-19.2
srx-19.3
srx-branch-12.3
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx-12.3
vmx-19.3
srx-12.3
Sigpack Version
3337
False Positive
Unknown