Mozilla Firefox up to 59.0.3 Skia out-of-bounds write

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

A vulnerability was found in Mozilla Firefox up to 59.0.3 (Web Browser). It has been classified as critical. This affects an unknown code block of the component Skia. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes 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 bug was discovered 05/09/2018. The weakness was released 05/09/2018 by Ronald Crane (Alex) with Dell as MFSA 2018-11 as confirmed security advisory (Website). It is possible to read the advisory at mozilla.org. This vulnerability is uniquely identified as CVE-2018-5159 since 01/03/2018. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 110109 (Oracle Linux 6 : thunderbird (ELSA-2018-1726)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 351295 (Amazon Linux Security Advisory for thunderbird: ALAS2-2018-1032).

Upgrading to version 60.0 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (110109) and Exploit-DB (44759). Entries connected to this vulnerability are available at 117589, 117590, 117592 and 117593.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 110109
Nessus Name: Oracle Linux 6 : thunderbird (ELSA-2018-1726)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 61602
OpenVAS Name: Debian LTS Advisory ([SECURITY] [DLA 1376-1] firefox-esr security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Firefox 60.0

Timelineinfo

01/03/2018 🔍
05/09/2018 +126 days 🔍
05/09/2018 +0 days 🔍
05/09/2018 +0 days 🔍
05/09/2018 +0 days 🔍
05/10/2018 +1 days 🔍
05/11/2018 +1 days 🔍
05/25/2018 +14 days 🔍
06/11/2018 +16 days 🔍
03/11/2023 +1734 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA 2018-11
Researcher: Ronald Crane (Alex)
Organization: Dell
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-5159 (🔍)
OVAL: 🔍

SecurityTracker: 1040896
SecurityFocus: 104136 - Mozilla Firefox and Firefox ESR Multiple Security Vulnerabilities

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 05/11/2018 10:45 AM
Updated: 03/11/2023 03:04 PM
Changes: 05/11/2018 10:45 AM (79), 02/04/2020 10:46 AM (14), 03/11/2023 03:04 PM (4)
Complete: 🔍

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