E2fsprogs e2fsck 1.45.4 ext4 out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in E2fsprogs e2fsck 1.45.4. Affected by this vulnerability is an unknown functionality of the component ext4 Handler. Performing a manipulation results in out-of-bounds write. This vulnerability is identified as CVE-2019-5188. The attack is only possible with local access. There is not any exploit available.

Detailsinfo

A vulnerability classified as critical has been found in E2fsprogs e2fsck 1.45.4. This affects an unknown functionality of the component ext4 Handler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A code execution vulnerability exists in the directory rehashing functionality of E2fsprogs e2fsck 1.45.4. A specially crafted ext4 directory can cause an out-of-bounds write on the stack, resulting in code execution. An attacker can corrupt a partition to trigger this vulnerability.

The weakness was released 01/08/2020 (Website). The advisory is shared at talosintelligence.com. This vulnerability is uniquely identified as CVE-2019-5188 since 01/04/2019. An attack has to be approached locally. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

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

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.1

VulDB Base Score: 4.2
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.7
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector (Talos): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
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

01/04/2019 🔍
01/08/2020 +369 days 🔍
01/08/2020 +0 days 🔍
03/20/2024 +1533 days 🔍

Sourcesinfo

Advisory: USN-4249-1
Status: Not defined

CVE: CVE-2019-5188 (🔍)
GCVE (CVE): GCVE-0-2019-5188
GCVE (VulDB): GCVE-100-148401

Entryinfo

Created: 01/08/2020 19:07
Updated: 03/20/2024 08:29
Changes: 01/08/2020 19:07 (37), 01/08/2020 19:12 (17), 03/20/2024 08:28 (17), 03/20/2024 08:29 (12)
Complete: 🔍
Cache ID: 216::103

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