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CVE-2020-28895

integer overflow in calloc

Published: Feb 3, 2021Updated: Nov 21, 2024 Sources: CVE List NVD csafCWE-190
NVD MITRE
7.3CVSSHIGH
EPSS Score
1.5%
Top 29.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:LI:LA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low
Open in CVSS calculator →

Weaknesses

CWE-190CWE-787

Affected Products

vxworkswindriver
Embedded
Operating Systems / rtos-embedded-os
communications eagleoracle
On-prem
Databases / relational
n/an/a
windrivercommercialOperating Systemsaka vxworks, bdos, bsd os, linux
oraclecommercialUSDatabasesaka oracle corp.

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2020-28895
support2.windriver.com
https://support2.windriver.com/index.php?page=defects&on=view&id=V7LIBC-1327
support2.windriver.com
https://www.oracle.com/security-alerts/cpuapr2022.html
oracle.com
and 13 more references View all →

Timeline

Published
Feb 3, 2021
Last Updated
Nov 21, 2024

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