VDB-93945 · CVE-2016-9797 · BID 94652

BlueZ 5.42 Dump File tools/parser/l2cap.c l2cap_dump out-of-bounds

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 was found in BlueZ 5.42. It has been classified as critical. Impacted is the function l2cap_dump of the file tools/parser/l2cap.c of the component Dump File Handler. Performing a manipulation results in out-of-bounds. This vulnerability is known as CVE-2016-9797. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, was found in BlueZ 5.42. This affects the function l2cap_dump of the file tools/parser/l2cap.c of the component Dump File Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads 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:

In BlueZ 5.42, a buffer over-read was observed in "l2cap_dump" function in "tools/parser/l2cap.c" source file. This issue can be triggered by processing a corrupted dump file and will result in hcidump crash.

The bug was discovered 11/14/2016. The weakness was published 12/03/2016 (Website). The advisory is shared at securityfocus.com. This vulnerability is uniquely identified as CVE-2016-9797 since 12/03/2016. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, 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 commercial vulnerability scanner Qualys is able to test this issue with plugin 172414 (SUSE Enterprise Linux Security Update for bluez (SUSE-SU-2019:1339-1)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 94652†). Similar entries are available at VDB-93946, VDB-93947, VDB-93948 and VDB-93949. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / 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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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day 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 🔍
06/15/2019 +924 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Status: Confirmed

CVE: CVE-2016-9797 (🔍)
GCVE (CVE): GCVE-0-2016-9797
GCVE (VulDB): GCVE-100-93945
SecurityFocus: 94652 - BlueZ Buffer Overflow and Denial of Service Vulnerabilities

See also: 🔍

Entryinfo

Created: 12/03/2016 19:04
Updated: 06/15/2019 18:21
Changes: 12/03/2016 19:04 (54), 06/15/2019 18:21 (12)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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