NVD Vulnerability Detail

CVE-2020-6806

Summary	By carefully crafting promise resolutions, it was possible to cause an out-of-bounds read off the end of an array resized during script execution. This could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.
Publication Date	March 26, 2020, 7:15 a.m.
Registration Date	Jan. 26, 2021, noon
Last Update	Nov. 21, 2024, 2:36 p.m.

Affected software configurations

Configuration2	or higher	or less	more than	less than
cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:19.10:::::::*
cpe:2.3:o:canonical:ubuntu_linux:16.04::::esm:::

Related information, measures and tools

No	URL	タグ
1	http://packetstormsecurity.com/files/157524/Firefox-js-ReadableStreamCloseInternal-Out-Of-Bounds-Access.html	Third Party Advisory VDB Entry
2	http://packetstormsecurity.com/files/157524/Firefox-js-ReadableStreamCloseInternal-Out-Of-Bounds-Access.html	Third Party Advisory VDB Entry
3	https://bugzilla.mozilla.org/show_bug.cgi?id=1612308	Issue Tracking Permissions Required
4	https://bugzilla.mozilla.org/show_bug.cgi?id=1612308	Issue Tracking Permissions Required
5	https://usn.ubuntu.com/4328-1/	Third Party Advisory
6	https://usn.ubuntu.com/4328-1/	Third Party Advisory
7	https://usn.ubuntu.com/4335-1/	Third Party Advisory
8	https://usn.ubuntu.com/4335-1/	Third Party Advisory
9	https://www.mozilla.org/security/advisories/mfsa2020-08/	Vendor Advisory
10	https://www.mozilla.org/security/advisories/mfsa2020-08/	Vendor Advisory
11	https://www.mozilla.org/security/advisories/mfsa2020-09/	Vendor Advisory
12	https://www.mozilla.org/security/advisories/mfsa2020-09/	Vendor Advisory
13	https://www.mozilla.org/security/advisories/mfsa2020-10/	Vendor Advisory
14	https://www.mozilla.org/security/advisories/mfsa2020-10/	Vendor Advisory

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-125	境界外読み取り	https://cwe.mitre.org/data/definitions/125.html

JVN Vulnerability Information

Thunderbird および Firefox における境界外読み取りに関する脆弱性

Title	Thunderbird および Firefox における境界外読み取りに関する脆弱性
Summary	Thunderbird および Firefox には、境界外読み取りに関する脆弱性が存在します。
Possible impacts	情報を取得される、情報を改ざんされる、およびサービス運用妨害 (DoS) 状態にされる可能性があります。
Solution	ベンダより正式な対策が公開されています。ベンダ情報を参照して適切な対策を実施してください。
Publication Date	March 10, 2020, midnight
Registration Date	April 8, 2020, 2:04 p.m.
Last Update	April 8, 2020, 2:04 p.m.

Affected System

Mozilla Foundation

Mozilla Firefox 74 未満

Mozilla Firefox ESR 68.6 未満

Mozilla Thunderbird 68.6 未満

CVE (情報セキュリティ共通脆弱性識別子)

No	Name	URL
Common Vulnerabilities and Exposures (CVE)
1	CVE-2020-6806	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6806
National Vulnerability Database (NVD)
2	CVE-2020-6806	https://nvd.nist.gov/vuln/detail/CVE-2020-6806

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-125	https://cwe.mitre.org/data/definitions/125.html

ベンダー情報

No	Name	URL
Mozilla Foundation Security Advisory
1	MFSA2020-08	https://www.mozilla.org/en-US/security/advisories/mfsa2020-08/
2	MFSA2020-09	https://www.mozilla.org/en-US/security/advisories/mfsa2020-09/
3	MFSA2020-10	https://www.mozilla.org/en-US/security/advisories/mfsa2020-10/

Change Log

No	Changed Details	Date of change
1	[2020年04月08日] 掲載	April 8, 2020, 2:04 p.m.