iPXE TLS src/net/tls.c tls_new_ciphertext pad_len information exposure

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.1$0-$5k0.00

A vulnerability was found in iPXE (affected version unknown). 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 with an unknown input leads to a information exposure vulnerability. The CWE definition for the vulnerability is CWE-203. 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. As an impact it is known to affect confidentiality.

The weakness was shared 11/21/2022 as 186306d6199096b7a7c4b4574d4be8cdb8426729. The advisory is available at github.com. This vulnerability was named CVE-2022-4087. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

Applying the patch 186306d6199096b7a7c4b4574d4be8cdb8426729 is able to eliminate this problem. The bugfix is ready for download at github.com.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.2
VulDB Meta Temp Score: 3.1

VulDB Base Score: 2.6
VulDB Temp Score: 2.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.3
NVD Vector: 🔍

CNA Base Score: 2.6
CNA Vector (VulDB): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Information exposure
CWE: CWE-203 / CWE-200 / CWE-284
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 186306d6199096b7a7c4b4574d4be8cdb8426729

Timelineinfo

11/20/2022 🔍
11/21/2022 +1 days 🔍
11/21/2022 +0 days 🔍
12/21/2022 +30 days 🔍

Sourcesinfo

Advisory: 186306d6199096b7a7c4b4574d4be8cdb8426729
Status: Confirmed

CVE: CVE-2022-4087 (🔍)
GCVE (CVE): GCVE-0-2022-4087
GCVE (VulDB): GCVE-100-214054

Entryinfo

Created: 11/21/2022 07:37 AM
Updated: 12/21/2022 08:58 AM
Changes: 11/21/2022 07:37 AM (22), 11/21/2022 07:38 AM (20), 12/21/2022 08:55 AM (2), 12/21/2022 08:58 AM (21)
Complete: 🔍
Submitter: rezaduty
Cache ID: 18:4CD:40

Submitinfo

Accepted

  • Submit #52581: Http Header Injection in [Login IP & Country Restriction] wordpress plugin (by rezaduty)

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