title: Ashlar-Vellum Cobalt, Xenon, Argon, Lithium Out-of-bounds Write
description:
In Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, and Cobalt Share v12 SP0 Build (1204.77), the affected applications lack proper validation of user-supplied data when parsing XE files. This could lead to an out-of-bounds write. An attacker could leverage this vulnerability to execute arbitrary code in the context of the current process.
problem types: CWE-787 Out-of-bounds Write
affected:
{
defaultStatus: unaffected
product: Cobalt
vendor: Ashlar-Vellum
versions:
status: affected, version: v12 SP0 Build (1204.77)
}
{
defaultStatus: unaffected
product: Xenon
vendor: Ashlar-Vellum
versions:
status: affected, version: v12 SP0 Build (1204.77)
}
{
defaultStatus: unaffected
product: Argon
vendor: Ashlar-Vellum
versions:
status: affected, version: v12 SP0 Build (1204.77)
}
{
defaultStatus: unaffected
product: Lithium
vendor: Ashlar-Vellum
versions:
status: affected, version: v12 SP0 Build (1204.77)
}
{
defaultStatus: unaffected
product: Cobalt Share
vendor: Ashlar-Vellum
versions:
status: affected, version: v12 SP0 Build (1204.77)
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: LOCAL
availabilityImpact: HIGH
baseScore: 7.8
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
version: 3.1
]
format: CVSS
scenarios: GENERAL
solutions:
Ashlar-Vellum recommends users apply the following mitigations to help reduce risk:  *  Cobalt, Xenon, Lithium, and Argon share update  v12  https://download.ashlar.com/v12/ Build (1204.78).
*  Only open files from trusted sources.