Tatsuya Kinoshita w3m up to 0.5.3-30 memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Tatsuya Kinoshita w3m up to 0.5.3-30. This affects an unknown part. Executing a manipulation can lead to memory corruption. This vulnerability is handled as CVE-2016-9423. The attack can be executed remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Tatsuya Kinoshita w3m up to 0.5.3-30 (Web Browser). This vulnerability affects some unknown functionality. 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:

An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-31. Heap-based buffer overflow in w3m allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted HTML page.

The bug was discovered 11/18/2016. The weakness was released 12/12/2016 (Website). The advisory is shared for download at openwall.com. This vulnerability was named CVE-2016-9423 since 11/18/2016. The attack can be initiated remotely. No form of authentication is required for a successful 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 19 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 95625 (SUSE SLES11 Security Update : w3m (SUSE-SU-2016:3046-1)), 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 169418 (SUSE Enterprise Linux Security Update for w3m (SUSE-SU-2016:3046-1)).

Upgrading to version 0.5.3-31 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (95625) and SecurityFocus (BID 94407†). Entries connected to this vulnerability are available at VDB-53673, VDB-94095, VDB-94097 and VDB-94098. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

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

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 95625
Nessus Name: SUSE SLES11 Security Update : w3m (SUSE-SU-2016:3046-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for w3m FEDORA-2017-783e8fa63e
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: w3m 0.5.3-31

Timelineinfo

11/03/2016 🔍
11/18/2016 +15 days 🔍
11/18/2016 +0 days 🔍
12/07/2016 +19 days 🔍
12/08/2016 +1 days 🔍
12/11/2016 +3 days 🔍
12/12/2016 +1 days 🔍
12/12/2016 +0 days 🔍
06/25/2019 +925 days 🔍

Sourcesinfo

Advisory: openwall.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-9423 (🔍)
GCVE (CVE): GCVE-0-2016-9423
GCVE (VulDB): GCVE-100-94096
SecurityFocus: 94407 - w3m Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 12/12/2016 09:36
Updated: 06/25/2019 17:29
Changes: 12/12/2016 09:36 (73), 06/25/2019 17:29 (6)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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