Alpine apk-tools up to 2.12.4 Tarball Parser buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Alpine apk-tools up to 2.12.4. The impacted element is an unknown function of the component Tarball Parser. The manipulation leads to buffer overflow. This vulnerability is traded as CVE-2021-30139. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Alpine apk-tools up to 2.12.4. This issue affects an unknown functionality of the component Tarball Parser. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability.

The weakness was shared 04/22/2021. It is possible to read the advisory at gitlab.alpinelinux.org. The identification of this vulnerability is CVE-2021-30139. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 2.12.5 eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: apk-tools 2.12.5

Timelineinfo

04/05/2021 🔍
04/22/2021 +17 days 🔍
04/22/2021 +0 days 🔍
04/23/2021 +1 days 🔍

Sourcesinfo

Advisory: gitlab.alpinelinux.org
Status: Confirmed

CVE: CVE-2021-30139 (🔍)
GCVE (CVE): GCVE-0-2021-30139
GCVE (VulDB): GCVE-100-173279

Entryinfo

Created: 04/22/2021 08:50
Updated: 04/23/2021 19:39
Changes: 04/22/2021 08:50 (38), 04/23/2021 19:36 (5), 04/23/2021 19:39 (18)
Complete: 🔍
Cache ID: 216::103

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