bdwgc prior 2016-09-27 integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability was found in bdwgc. It has been declared as critical. The affected element is an unknown function. Such manipulation leads to integer overflow. This vulnerability is referenced as CVE-2016-9427. It is possible to launch the attack remotely. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in bdwgc and classified as critical. Affected by this issue is some unknown processing. The manipulation with an unknown input leads to a integer overflow vulnerability. Using CWE to declare the problem leads to CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Integer overflow vulnerability in bdwgc before 2016-09-27 allows attackers to cause client of bdwgc denial of service (heap buffer overflow crash) and possibly execute arbitrary code via huge allocation.

The bug was discovered 11/18/2016. The weakness was published 12/12/2016 (Website). The advisory is shared for download at openwall.com. This vulnerability is handled as CVE-2016-9427 since 11/18/2016. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 23 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 900043 , which helps to determine the existence of the flaw in a target environment. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196694 (Ubuntu Security Notification for Libgc Vulnerability (USN-3197-1)).

Upgrading to version 2016-09-27 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (900043) and SecurityFocus (BID 94407†). Similar entries are available at VDB-94095, VDB-94096, VDB-94097 and VDB-94098. Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
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: 900043
Nessus File: 🔍

OpenVAS ID: 841810
OpenVAS Name: Ubuntu Update for libgc USN-3197-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: bdwgc 2016-09-27

Timelineinfo

11/03/2016 🔍
11/18/2016 +15 days 🔍
11/18/2016 +0 days 🔍
12/11/2016 +23 days 🔍
12/12/2016 +1 days 🔍
12/12/2016 +0 days 🔍
09/17/2024 +2836 days 🔍

Sourcesinfo

Advisory: 135
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-9427 (🔍)
GCVE (CVE): GCVE-0-2016-9427
GCVE (VulDB): GCVE-100-94100

OVAL: 🔍

SecurityFocus: 94407 - w3m Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 12/12/2016 09:36
Updated: 09/17/2024 05:25
Changes: 12/12/2016 09:36 (59), 06/25/2019 16:49 (10), 10/05/2022 17:25 (3), 10/05/2022 17:32 (1), 09/17/2024 05:25 (16)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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