An issue was discovered in ReadyTalk Avian 1.2.0.
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-190 and the CVSS impact.
Summary
An issue was discovered in ReadyTalk Avian 1.2.0. The vm::arrayCopy method defined in classpath-common.h contains multiple boundary checks that are performed to prevent out-of-bounds memory read/write. However, two of these boundary checks contain an integer overflow that leads to a bypass of these checks, and out-of-bounds read/write. NOTE: This vulnerability only affects products that are no longer supported by the maintainer
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-17360
- 2026-10-03 Alias added: GHSA-693m-3rmr-8fv4
References
Advisory 5
- https://github.com/ReadyTalk/avian/issues
- http://seclists.org/fulldisclosure/2020/Aug/8
- 20200904 Noise-Java AESGCMFallbackCipherState.encryptWithAd() insufficient boundary checks
- 20200904 Noise-Java ChaChaPolyCipherState.encryptWithAd() insufficient boundary checks
- 20200904 Noise-Java AESGCMOnCtrCipherState.encryptWithAd() insufficient boundary checks
More Readytalk Avian vulnerabilities
- TI-2020-17208 An issue was discovered in ReadyTalk Avian 1.2.0 before 2020-10-27. CVSS 3.1CRITICAL 9.8
- TI-2020-13135 An issue was discovered in ReadyTalk Avian 1.2.0. CVSS 3.1MEDIUM 5.5
Sources
- CVE-2020-17360 · CVE Program
- CVE-2020-17360 · NVD
- FIRST EPSS
- GHSA-693m-3rmr-8fv4 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences