Vulnerability CVE-2020-28895


Published: 2021-02-03

Description:
In Wind River VxWorks, memory allocator has a possible overflow in calculating the memory block's size to be allocated by calloc(). As a result, the actual memory allocated is smaller than the buffer size specified by the arguments, leading to memory corruption.

Type:

CWE-120

(Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'))

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Windriver -> Vxworks 

 References:
https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2020-28895
https://support2.windriver.com/index.php?page=defects&on=view&id=V7LIBC-1327

Copyright 2021, cxsecurity.com

 

Back to Top