2023-11-21 19:00:21 +00:00
{
"id" : "CVE-2021-27502" ,
"sourceIdentifier" : "ics-cert@hq.dhs.gov" ,
"published" : "2023-11-21T18:15:07.510" ,
2023-11-21 21:00:21 +00:00
"lastModified" : "2023-11-21T20:31:33.013" ,
"vulnStatus" : "Awaiting Analysis" ,
2023-11-21 19:00:21 +00:00
"descriptions" : [
{
"lang" : "en" ,
"value" : "Texas Instruments TI-RTOS, when configured to use HeapMem heap(default),\n malloc returns a valid pointer to a small buffer on extremely large \nvalues, which can trigger an integer overflow vulnerability in \n'HeapMem_allocUnprotected' and result in code execution."
}
] ,
"metrics" : {
"cvssMetricV31" : [
{
"source" : "ics-cert@hq.dhs.gov" ,
"type" : "Secondary" ,
"cvssData" : {
"version" : "3.1" ,
"vectorString" : "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H" ,
"attackVector" : "LOCAL" ,
"attackComplexity" : "HIGH" ,
"privilegesRequired" : "NONE" ,
"userInteraction" : "NONE" ,
"scope" : "UNCHANGED" ,
"confidentialityImpact" : "HIGH" ,
"integrityImpact" : "HIGH" ,
"availabilityImpact" : "HIGH" ,
"baseScore" : 7.4 ,
"baseSeverity" : "HIGH"
} ,
"exploitabilityScore" : 1.4 ,
"impactScore" : 5.9
}
]
} ,
"weaknesses" : [
{
"source" : "ics-cert@hq.dhs.gov" ,
"type" : "Secondary" ,
"description" : [
{
"lang" : "en" ,
"value" : "CWE-190"
}
]
}
] ,
"references" : [
{
"url" : "https://www.cisa.gov/news-events/ics-advisories/icsa-21-119-04" ,
"source" : "ics-cert@hq.dhs.gov"
} ,
{
"url" : "https://www.ti.com/tool/TI-RTOS-MCU" ,
"source" : "ics-cert@hq.dhs.gov"
}
]
}