CVE-2020-35198 — Integer Overflow or Wraparound in Vxworks

CWE-190 — Integer Overflow or Wraparound4 documents4 sources
Severity
9.8CRITICALNVD
EPSS
2.5%
top 14.58%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Windriver VxworksOracle Communications Eagle
Timeline
PublishedMay 12
Latest updateMay 24

Description

An issue was discovered in Wind River VxWorks 7. The memory allocator has a possible integer overflow in calculating a 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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages2 packages

▶NVDwindriver/vxworks6.9 — 6.9.4.12+2
▶NVDoracle/communications_eagle46.8.0 — 46.8.2+2

Patches

Patch: www.oracle.com ↗Patch: www.oracle.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-jv4r-hc9x-r99x: An issue was discovered in Wind River VxWorks 7↗2022-05-24
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CVEList
CVE-2020-35198: An issue was discovered in Wind River VxWorks 7↗2021-05-12
▶

📋Vendor Advisories

1
Oracle
Oracle Oracle Communications Risk Matrix: Measurements (VxWorks) — CVE-2020-35198↗2022-04-15
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CVE-2020-35198 — Integer Overflow or Wraparound | cvebase