BlueZ 5.42 Array tools/parser/hci.c pin_code_reply_dump pin_code_reply_cp memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in BlueZ 5.42. This affects the function pin_code_reply_dump of the file tools/parser/hci.c of the component Array Handler. The manipulation of the argument pin_code_reply_cp results in memory corruption. This vulnerability was named CVE-2016-9800. The attack may be performed from remote. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in BlueZ 5.42. It has been classified as critical. Affected is the function pin_code_reply_dump of the file tools/parser/hci.c of the component Array Handler. The manipulation of the argument pin_code_reply_cp with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In BlueZ 5.42, a buffer overflow was observed in "pin_code_reply_dump" function in "tools/parser/hci.c" source file. The issue exists because "pin" array is overflowed by supplied parameter due to lack of boundary checks on size of the buffer from frame "pin_code_reply_cp *cp" parameter.

The bug was discovered 11/14/2016. The weakness was presented 12/03/2016 (Website). The advisory is shared for download at securityfocus.com. This vulnerability is traded as CVE-2016-9800 since 12/03/2016. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 19 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 110661 (SUSE SLED12 / SLES12 Security Update : bluez (SUSE-SU-2018:1778-1) (BlueBorne)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171782 (SUSE Enterprise Linux Security Update for bluez (SUSE-SU-2018:4188-1)).

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

The vulnerability is also documented in the databases at Tenable (110661) and SecurityFocus (BID 94652†). See VDB-93945, VDB-93946, VDB-93947 and VDB-93949 for similar entries. Once again VulDB remains the best 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: 5.3
VulDB Meta Temp Score: 5.2

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

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: 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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Nessus ID: 110661
Nessus Name: SUSE SLED12 / SLES12 Security Update : bluez (SUSE-SU-2018:1778-1) (BlueBorne)
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: 🔍

Timelineinfo

11/14/2016 🔍
11/14/2016 +0 days 🔍
12/03/2016 +19 days 🔍
12/03/2016 +0 days 🔍
12/03/2016 +0 days 🔍
12/03/2016 +0 days 🔍
06/21/2018 +565 days 🔍
06/22/2018 +1 days 🔍
06/15/2019 +358 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Status: Confirmed

CVE: CVE-2016-9800 (🔍)
GCVE (CVE): GCVE-0-2016-9800
GCVE (VulDB): GCVE-100-93948
SecurityFocus: 94652 - BlueZ Buffer Overflow and Denial of Service Vulnerabilities

See also: 🔍

Entryinfo

Created: 12/03/2016 19:04
Updated: 06/15/2019 18:38
Changes: 12/03/2016 19:04 (63), 06/15/2019 18:38 (17)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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