bchunk 1.2.0/1.2.1 CUE File memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in bchunk 1.2.0/1.2.1. This affects an unknown part of the component CUE File Handler. Executing a manipulation can lead to memory corruption. This vulnerability appears as CVE-2017-15954. The attack requires local access. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical was found in bchunk 1.2.0/1.2.1. This vulnerability affects an unknown part of the component CUE File Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

bchunk (related to BinChunker) 1.2.0 and 1.2.1 is vulnerable to a heap-based buffer overflow (with a resultant invalid free) and crash when processing a malformed CUE (.cue) file.

The bug was discovered 09/09/2017. The weakness was presented 10/28/2017 (Website). The advisory is shared for download at github.com. This vulnerability was named CVE-2017-15954 since 10/28/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 49 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 104482 (Debian DSA-4026-1 : bchunk - security 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 176205 (Debian Security Update for bchunk (DSA 4026-1)).

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

The vulnerability is also documented in the vulnerability database at Tenable (104482). See VDB-108747 and VDB-108749 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: 104482
Nessus Name: Debian DSA-4026-1 : bchunk - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 880867
OpenVAS Name: Debian Security Advisory DSA 4026-1 (bchunk - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

09/09/2017 🔍
10/28/2017 +49 days 🔍
10/28/2017 +0 days 🔍
10/28/2017 +0 days 🔍
10/29/2017 +1 days 🔍
11/09/2017 +11 days 🔍
11/10/2017 +1 days 🔍
01/05/2023 +1882 days 🔍

Sourcesinfo

Advisory: DLA 1158-1
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-15954 (🔍)
GCVE (CVE): GCVE-0-2017-15954
GCVE (VulDB): GCVE-100-108748

OVAL: 🔍
See also: 🔍

Entryinfo

Created: 10/29/2017 13:01
Updated: 01/05/2023 09:39
Changes: 10/29/2017 13:01 (72), 12/01/2019 17:22 (4), 01/05/2023 09:39 (4)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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