Mozilla Firefox/Thunderbird memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Mozilla Firefox and Thunderbird. This vulnerability affects unknown code. Executing a manipulation can lead to memory corruption. This vulnerability appears as CVE-2018-5188. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Mozilla Firefox and Thunderbird (Web Browser) (unknown version) and classified as critical. This vulnerability affects an unknown code block. 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:

Memory safety bugs present in Firefox 60, Firefox ESR 60, and Firefox ESR 52.8. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Thunderbird < 60, Thunderbird < 52.9, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61.

The bug was discovered 06/26/2018. The weakness was presented 10/18/2018 by Christian Holler (Alex) as Bug 1456189 as confirmed bug report (Bugzilla). The advisory is shared for download at bugzilla.mozilla.org. This vulnerability was named CVE-2018-5188 since 01/02/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 04/05/2020).

The vulnerability was handled as a non-public zero-day exploit for at least 41 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 111980 (Mozilla Thunderbird < 60.0 Multiple Vulnerabilities (macOS)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 351350 (Amazon Linux Security Advisory for thunderbird: ALAS2-2018-1061).

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (111980) and SecurityFocus (BID 104555†). See VDB-120044, VDB-120045, VDB-120046 and VDB-120047 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

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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: 6.3
VulDB Temp Score: 6.0
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: 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: 111980
Nessus Name: Mozilla Thunderbird < 60.0 Multiple Vulnerabilities (macOS)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/02/2018 🔍
06/26/2018 +174 days 🔍
06/26/2018 +0 days 🔍
08/06/2018 +40 days 🔍
08/20/2018 +14 days 🔍
10/18/2018 +58 days 🔍
10/18/2018 +0 days 🔍
10/19/2018 +1 days 🔍
04/05/2020 +534 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: Bug 1456189
Researcher: Christian Holler (Alex)
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-5188 (🔍)
GCVE (CVE): GCVE-0-2018-5188
GCVE (VulDB): GCVE-100-125788

OVAL: 🔍

SecurityFocus: 104555 - Mozilla Firefox and Firefox ESR Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 10/19/2018 06:58
Updated: 04/05/2020 16:25
Changes: 10/19/2018 06:58 (75), 04/05/2020 16:25 (6)
Complete: 🔍
Cache ID: 216::103

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