VulnerabilityModified
CVE-2022-46505
An issue in MatrixSSL 4.5.1-open and earlier leads to failure to securely check the SessionID field, resulting in the misuse of an all-zero MasterSecret that can decrypt secret data.
HIGH 7.5EPSS 0.86%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.86%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue in MatrixSSL 4.5.1-open and earlier leads to failure to securely check the SessionID field, resulting in the misuse of an all-zero MasterSecret that can decrypt secret data.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.86% probability · 57th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-665
- Affected
- matrixssl/matrixssl
- Source
- cve@mitre.org
References
- https://github.com/SmallTown123/details-for-CVE-2022-46505Exploit, Third Party Advisory
- https://smalltown123.notion.site/MatrixSSL-session-resume-bug-a0Permissions Required, Vendor Advisory
- https://github.com/SmallTown123/details-for-CVE-2022-46505Exploit, Third Party Advisory
- https://smalltown123.notion.site/MatrixSSL-session-resume-bug-a0Permissions Required, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.