Intel BIOS PPAM custom special character

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Intel BIOS PPAM. This vulnerability affects unknown code. This manipulation causes custom special character. This vulnerability is registered as CVE-2023-28383. The attack needs to be launched locally. No exploit is available.

Detailsinfo

A vulnerability has been found in Intel BIOS PPAM (affected version unknown) and classified as problematic. Affected by this vulnerability is an unknown functionality. The manipulation with an unknown input leads to a custom special character vulnerability. The CWE definition for the vulnerability is CWE-92. This entry has been deprecated. It originally came from PLOVER, which sometimes defined "other" and "miscellaneous" categories in order to satisfy exhaustiveness requirements for taxonomies. Within the context of CWE, the use of a more abstract entry is preferred in mapping situations. CWE-75 is a more appropriate mapping. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Improper conditions check in some Intel(R) BIOS PPAM firmware may allow a privileged user to potentially enable escalation of privilege via local access.

The advisory is shared at intel.com. This vulnerability is known as CVE-2023-28383 since 05/06/2023. The exploitation appears to be difficult. An attack has to be approached locally. The exploitation requires an enhanced level of successful authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/17/2024).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 5.0

VulDB Base Score: 3.9
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.1
CNA Vector (Intel Corporation): 🔍

CVSSv2info

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

Exploitinginfo

Class: Custom special character
CWE: CWE-92 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/06/2023 🔍
05/17/2024 +377 days 🔍
05/17/2024 +0 days 🔍
05/17/2024 +0 days 🔍

Sourcesinfo

Vendor: intel.com

Advisory: intel-sa-00814
Status: Confirmed

CVE: CVE-2023-28383 (🔍)
GCVE (CVE): GCVE-0-2023-28383
GCVE (VulDB): GCVE-100-264685

Entryinfo

Created: 05/17/2024 06:53
Changes: 05/17/2024 06:53 (60)
Complete: 🔍
Cache ID: 216::103

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