CVE-2020-28895

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 v3.0 7.3 HIGH
CVSS v2.0 7.5 HIGH

7.3^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2020-28895	Vendor Advisory
https://support2.windriver.com/index.php?page=defects&on=view&id=V7LIBC-1327	Permissions Required
https://www.oracle.com/security-alerts/cpuapr2022.html	Patch Third Party Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:windriver:vxworks::::::::
	cpe:2.3:o:windriver:vxworks:6.9.4.12:-::::::
	cpe:2.3:o:windriver:vxworks:6.9.4.12:rolling_cumulative_patch_layer1::::::

Configuration 2 (hide)

OR	cpe:2.3:a:oracle:communications_eagle::::::::
	cpe:2.3:a:oracle:communications_eagle::::::::
	cpe:2.3:a:oracle:communications_eagle:46.7.0:::::::*

Information

Published : 2021-02-03 08:15

Updated : 2022-05-12 07:33

NVD link : CVE-2020-28895

Mitre link : CVE-2020-28895

JSON object : View

CWE

CWE-787

Out-of-bounds Write

CWE-190

Integer Overflow or Wraparound

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Products Affected

oracle

communications_eagle

windriver

vxworks

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