BusyBox up to 1.27.1 ZIP File decompress_gunzip.c null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in BusyBox up to 1.27.1. Impacted is an unknown function in the library archival/libarchive/decompress_gunzip.c of the component ZIP File Handler. This manipulation causes null pointer dereference. This vulnerability is registered as CVE-2015-9261. The attack needs to be launched locally. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in BusyBox up to 1.27.1 and classified as problematic. Affected by this vulnerability is some unknown functionality in the library archival/libarchive/decompress_gunzip.c of the component ZIP File Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. The summary by CVE is:

huft_build in archival/libarchive/decompress_gunzip.c in BusyBox before 1.27.2 misuses a pointer, causing segfaults and an application crash during an unzip operation on a specially crafted ZIP file.

The bug was discovered 07/26/2018. The weakness was published 07/26/2018 by Matt (Website). It is possible to read the advisory at openwall.com. This vulnerability is known as CVE-2015-9261 since 07/26/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 111358 (Debian DLA-1445-3 : busybox regression update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 197418 (Ubuntu Security Notification for Busybox Vulnerabilities (USN-3935-1)).

Upgrading to version 1.27.2 eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (111358) and SecurityFocus (BID 72324†). Similar entries are available at VDB-96755, VDB-96756, VDB-97860 and VDB-104922. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 111358
Nessus Name: Debian DLA-1445-3 : busybox regression update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: BusyBox 1.27.2
Patch: git.busybox.net

Timelineinfo

01/27/2015 🔍
07/26/2018 +1275 days 🔍
07/26/2018 +0 days 🔍
07/26/2018 +0 days 🔍
07/26/2018 +0 days 🔍
07/27/2018 +1 days 🔍
07/27/2018 +0 days 🔍
08/03/2018 +7 days 🔍
04/25/2023 +1726 days 🔍

Sourcesinfo

Advisory: 153278
Researcher: Matt
Status: Confirmed

CVE: CVE-2015-9261 (🔍)
GCVE (CVE): GCVE-0-2015-9261
GCVE (VulDB): GCVE-100-122215
SecurityFocus: 72324 - BusyBox CVE-2014-9645 Local Security Bypass Vulnerability

See also: 🔍

Entryinfo

Created: 07/27/2018 07:41
Updated: 04/25/2023 21:01
Changes: 07/27/2018 07:41 (74), 03/10/2020 14:05 (5), 04/25/2023 20:54 (5), 04/25/2023 21:01 (1)
Complete: 🔍
Cache ID: 216::103

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

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