VDB-175505 · CVE-2018-25011 · Nessus 208636

libwebp up to 1.0.0 PutLE16 heap-based overflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in libwebp up to 1.0.0. Affected by this vulnerability is the function PutLE16. The manipulation leads to heap-based overflow. This vulnerability is referenced as CVE-2018-25011. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in libwebp up to 1.0.0 and classified as critical. This issue affects the function PutLE16. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is confidentiality, integrity, and availability.

The weakness was published 05/22/2021. The advisory is shared at bugzilla.redhat.com. The identification of this vulnerability is CVE-2018-25011. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 208636 (CentOS 7 : libwebp (RHSA-2021:2260)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.0.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (208636). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

libwebp

Version

CPE 2.3info

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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Nessus ID: 208636
Nessus Name: CentOS 7 : libwebp (RHSA-2021:2260)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: libwebp 1.0.1

Timelineinfo

05/04/2021 🔍
05/22/2021 +18 days 🔍
05/22/2021 +0 days 🔍
10/12/2024 +1239 days 🔍

Sourcesinfo

Advisory: bugzilla.redhat.com
Status: Confirmed

CVE: CVE-2018-25011 (🔍)
GCVE (CVE): GCVE-0-2018-25011
GCVE (VulDB): GCVE-100-175505

Entryinfo

Created: 05/22/2021 13:27
Updated: 10/12/2024 08:50
Changes: 05/22/2021 13:27 (37), 05/23/2021 18:49 (5), 10/12/2024 08:50 (16)
Complete: 🔍
Cache ID: 216::103

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