Linux Kernel up to 5.1.5 kstrndup wcd9335.c wcd9335_codec_enable_dec input validation ⚔ [Disputed]

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.7$5k-$25k0.00

A vulnerability classified as critical was found in Linux Kernel up to 5.1.5 (Operating System). Affected by this vulnerability is the function wcd9335_codec_enable_dec of the file sound/soc/codecs/wcd9335.c of the component kstrndup. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in wcd9335_codec_enable_dec in sound/soc/codecs/wcd9335.c in the Linux kernel through 5.1.5. It uses kstrndup instead of kmemdup_nul, which allows attackers to have an unspecified impact via unknown vectors.

The weakness was released 05/30/2019 (Website). The advisory is shared at lists.fedoraproject.org. This vulnerability is known as CVE-2019-12454 since 05/29/2019. The exploitation appears to be easy. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 08/05/2024).

The real existence of this vulnerability is still doubted at the moment.

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

Entry connected to this vulnerability is available at VDB-135722. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.8

VulDB Base Score: 7.8
VulDB Temp Score: 7.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.8
CNA Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

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: 🔍

Patch: git.kernel.org

Timelineinfo

05/29/2019 🔍
05/30/2019 +1 days 🔍
05/30/2019 +0 days 🔍
08/05/2024 +1894 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: K13523672
Status: Not defined
Confirmation: 🔍
Disputed: 🔍

CVE: CVE-2019-12454 (🔍)
GCVE (CVE): GCVE-0-2019-12454
GCVE (VulDB): GCVE-100-135721
See also: 🔍

Entryinfo

Created: 05/30/2019 05:24 PM
Updated: 08/05/2024 02:31 AM
Changes: 05/30/2019 05:24 PM (58), 06/17/2020 10:15 AM (2), 09/25/2023 09:47 AM (4), 06/19/2024 12:03 AM (24), 08/05/2024 02:31 AM (4)
Complete: 🔍
Cache ID: 18:9E6:40

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