VulnerabilityModified
CVE-2019-20786
handleIncomingPacket in conn.go in Pion DTLS before 1.5.2 lacks a check for application data with epoch 0, which allows remote attackers to inject arbitrary unencrypted data after handshake completion.
CRITICAL 9.8EPSS 3.01%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.01%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
handleIncomingPacket in conn.go in Pion DTLS before 1.5.2 lacks a check for application data with epoch 0, which allows remote attackers to inject arbitrary unencrypted data after handshake completion.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.01% probability · 87th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-287
- Affected
- pion/dtls
- Source
- cve@mitre.org
References
- https://github.com/pion/dtls/commit/fd73a5df2ff0e1fb6ae6a51e2777d7a16cc4f4e0Patch, Third Party Advisory
- https://github.com/pion/dtls/compare/v1.5.1...v1.5.2Patch, Third Party Advisory
- https://www.usenix.org/conference/usenixsecurity20/presentation/fiterau-brosteanThird Party Advisory
- https://www.usenix.org/system/files/sec20fall_fiterau-brostean_prepub.pdfExploit, Third Party Advisory
- https://github.com/pion/dtls/commit/fd73a5df2ff0e1fb6ae6a51e2777d7a16cc4f4e0Patch, Third Party Advisory
- https://github.com/pion/dtls/compare/v1.5.1...v1.5.2Patch, Third Party Advisory
- https://www.usenix.org/conference/usenixsecurity20/presentation/fiterau-brosteanThird Party Advisory
- https://www.usenix.org/system/files/sec20fall_fiterau-brostean_prepub.pdfExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.