CVE-2022-4087 iPXE TLS tls.c tls_new_ciphertext information exposure

2022-11-2100:00:00

CWE-284

VulDB

www.cve.org

ipxe

tls

tls_new_ciphertext

information exposure

vulnerability

patch

vdb-214054

CVSS3

2.6

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

AI Score

4.9

Confidence

High

EPSS

0.001

Percentile

19.4%

JSON

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.

CNA Affected

[
  {
    "vendor": "unspecified",
    "product": "iPXE",
    "versions": [
      {
        "version": "n/a",
        "status": "affected"
      }
    ]
  }
]