VulnerabilityModified
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().
HIGH 7.3EPSS 1.57%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.57%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.3 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- EPSS
- 1.57% probability · 74th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-190, CWE-787
- Affected
- windriver/vxworks · oracle/communications eagle
- Source
- cve@mitre.org
References
- https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2020-28895Vendor Advisory
- https://support2.windriver.com/index.php?page=defects&on=view&id=V7LIBC-1327Permissions Required
- https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
- https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2020-28895Vendor Advisory
- https://support2.windriver.com/index.php?page=defects&on=view&id=V7LIBC-1327Permissions Required
- https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.