Vulnerability Details : CVE-2022-4087
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.
Vulnerability category: BypassGain privilegeInformation leak
Products affected by CVE-2022-4087
- cpe:2.3:o:ipxe:ipxe:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-4087
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 19 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-4087
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
2.6
|
LOW | CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N |
1.2
|
1.4
|
VulDB | |
|
4.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
2.8
|
1.4
|
NIST |
CWE ids for CVE-2022-4087
-
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by: cna@vuldb.com (Secondary)
-
The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.Assigned by:
- cna@vuldb.com (Secondary)
- nvd@nist.gov (Primary)
-
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.Assigned by: cna@vuldb.com (Secondary)
References for CVE-2022-4087
-
https://vuldb.com/?id.214054
CVE-2022-4087 | iPXE TLS tls.c tls_new_ciphertext information exposureThird Party Advisory
-
https://github.com/ipxe/ipxe/commit/186306d6199096b7a7c4b4574d4be8cdb8426729
[tls] Treat invalid block padding as zero length padding · ipxe/ipxe@186306d · GitHubPatch;Third Party Advisory
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