Microsoft advisory for CVE-2022-4087 — azl3 ipxe 1.21.1-1 on Azure Linux 3.0
🔗 CVE IDs covered (1)
📋 Microsoft's advisory
EchelonGraph does not copy Microsoft's advisory page: its FAQ and remediation text are not shown here. Read the advisory on https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-4087. This page also shows what EchelonGraph holds for CVE-2022-4087, with the description from its CVE record, which the CVE Numbering Authority that assigned the CVE wrote: for a CVE Microsoft assigned, often in the words of Microsoft's own advisory.
🎯 Affected products1
- azl3 ipxe 1.21.1-1 on Azure Linux 3.0
🧭 EchelonGraph on CVE-2022-4087
- EchelonGraph score
- 4.3 MEDIUM
- CISA KEV
- Not listed
- Fix status
- A fix is referenced (a reference tagged "Patch", often a source commit), but no release containing it is confirmed — find the release that contains it; until it is applied, mitigate (WAF / firewall / segmentation).
Description from the CVE record (CVE.org), as published by its numbering authority
A vulnerability was found in iPXE. It has been declared as problematic. This vulnerability affects the function tls_new_ciphertext of the file src/net/tls.c of the component TLS. The manipulation of the argument pad_len leads to information exposure through discrepancy. The name of the patch is 186306d6199096b7a7c4b4574d4be8cdb8426729. It is recommended to apply a patch to fix this issue. VDB-214054 is the identifier assigned to this vulnerability.
Published by VulDB, the CVE Numbering Authority that assigned CVE-2022-4087, in its CVE record at CVE.org; reused under the CVE Program's Terms of Use (its licence and MITRE's copyright notice are in our Terms of Service).