libwebp integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability was found in libwebp. It has been rated as critical. Affected by this issue is some unknown functionality. Performing a manipulation results in integer overflow. This vulnerability is reported as CVE-2016-9085. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in libwebp (version unknown). This affects an unknown function. The manipulation with an unknown input leads to a integer overflow vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Multiple integer overflows in libwebp allows attackers to have unspecified impact via unknown vectors.

The bug was discovered 10/27/2016. The weakness was disclosed 02/03/2017 (Website). The advisory is shared at openwall.com. This vulnerability is uniquely identified as CVE-2016-9085 since 10/27/2016. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 16 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 94745 (Fedora 24 : mingw-libwebp (2016-00d2f5c19f)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 276267 (Fedora Security Update for mingw-libwebp (FEDORA-2016-301724f38e)).

Upgrading 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 (94745) and SecurityFocus (BID 93928†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

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

NVD Base Score: 3.3
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: Integer overflow
CWE: CWE-190 / CWE-189
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: 94745
Nessus Name: Fedora 24 : mingw-libwebp (2016-00d2f5c19f)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 800784
OpenVAS Name: Fedora Update for mingw-libwebp FEDORA-2016-00d2f5c19f
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/27/2016 🔍
10/27/2016 +0 days 🔍
10/27/2016 +0 days 🔍
11/12/2016 +16 days 🔍
11/14/2016 +2 days 🔍
02/03/2017 +81 days 🔍
02/03/2017 +0 days 🔍
02/03/2017 +0 days 🔍
09/17/2024 +2783 days 🔍

Sourcesinfo

Advisory: FEDORA-2016-00d2f5c19f
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-9085 (🔍)
GCVE (CVE): GCVE-0-2016-9085
GCVE (VulDB): GCVE-100-96537
SecurityFocus: 93928 - Libwebp 'gif2webp.c' Multiple Integer Overflow Vulnerabilities
OSVDB: - CVE-2016-9085 - libwebp - Multiple Integer Overflow Issues

Entryinfo

Created: 02/03/2017 19:50
Updated: 09/17/2024 13:55
Changes: 02/03/2017 19:50 (66), 08/11/2020 07:39 (8), 11/11/2022 15:06 (3), 09/17/2024 13:55 (16)
Complete: 🔍
Cache ID: 216::103

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

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