Buffer overflow in Avast Retdec
CVE-2020-23907
An issue was discovered in retdec v3.3. In function canSplitFunctionOn() of ir_modifications.cpp, there is a possible out of bounds read due to a heap buffer overflow. The impact is: Deny of Service, Memory Disclosure, and Possible Code Execution.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.026 (84.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 84.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · change: 0.000
Affected products
- Avast Retdec — versions 3.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/avast/retdec/issues/637 (Exploit, Patch, Third Party Advisory)
- github.com/avast/retdec/commit/517298bafaaff0a8e3dd60dd055a67c41b545807 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-23907?
- CVE-2020-23907 is a critical-severity vulnerability in Avast Retdec, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2021-04-21.
- How severe is CVE-2020-23907?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-23907 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.