Buffer overflow in Readytalk Avian
CVE-2020-28371
An issue was discovered in ReadyTalk Avian 1.2.0 before 2020-10-27. The FileOutputStream.write() method in FileOutputStream.java has a boundary check to prevent out-of-bounds memory read/write operations. However, an integer overflow leads to bypassing this check and achieving the out-of-bounds access. NOTE: This vulnerability only affects products that are no longer supported by the maintainer
Vulnerability class: Integer Overflow
EPSS: 0.017 (75.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Readytalk Avian — versions 1.2.0
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-28371?
- CVE-2020-28371 is a critical-severity vulnerability in Readytalk Avian, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2020-11-09.
- How severe is CVE-2020-28371?
- Critical severity. CVSS v3 base score is 9.8 out of 10.