CVE-2017-7821
published 2018-06-11CVE-2017-7821: A vulnerability where WebExtensions can download and attempt to open a file of some non-executable file types. This can be triggered without specific user…
PriorityP344critical9.8CVSS 3.0
AVNACLPRNUINSUCHIHAH
EPSS
1.98%
78.0th percentile
A vulnerability where WebExtensions can download and attempt to open a file of some non-executable file types. This can be triggered without specific user interaction for the file download and open actions. This could be used to trigger known vulnerabilities in the programs that handle those document types. This vulnerability affects Firefox < 56.
Affected
8 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | firefox | < firefox 56.0-1 (sid) | firefox 56.0-1 (sid) |
| mozilla | firefox | <= 55.0.3 | — |
| mozilla | firefox | >= 0 < 56.0+build6-0ubuntu0.14.04.1 | 56.0+build6-0ubuntu0.14.04.1 |
| mozilla | firefox | >= 0 < 56.0+build6-0ubuntu0.14.04.2 | 56.0+build6-0ubuntu0.14.04.2 |
| mozilla | firefox | >= 0 < 56.0+build6-0ubuntu0.16.04.1 | 56.0+build6-0ubuntu0.16.04.1 |
| mozilla | firefox | >= 0 < 56.0+build6-0ubuntu0.16.04.2 | 56.0+build6-0ubuntu0.16.04.2 |
| mozilla | firefox | >= 0 < 56.0+build6-0ubuntu1 | 56.0+build6-0ubuntu1 |
| mozilla | firefox | >= unspecified < 56 | 56 |
CVSS provenance
nvdv3.09.8CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
osv9.8CRITICAL
vendor_debian9.8CRITICAL
vendor_ubuntu9.8CRITICAL
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Ubuntu
Firefox regression
vendor_ubuntu·2017-10-04·CVSS 9.8
[CRITICAL] Firefox regression
Title: Firefox regression
Summary: USN-3435-1 caused a regression in Firefox.
USN-3435-1 fixed vulnerabilities in Firefox. The update caused the Flash
plugin to crash in some circumstances. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
Multiple security issues were discovered in Firefox. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit these to read uninitialized memory, obtain sensitive
information, bypass phishing and malware protection, spoof the origin in
modal dialogs, conduct cross-site scripting (XSS) attacks, cause a denial
of service via application crash, or execute arbitrary code.
(CVE-2017-7793, CVE-2017-7810, CVE-2017-7811, CVE-2017-7812,
CVE-2017-7813, CVE-2017-7814, CV
Ubuntu
Firefox vulnerabilities
vendor_ubuntu·2017-10-02·CVSS 9.8
CVE-2017-7793 [CRITICAL] Firefox vulnerabilities
Title: Firefox vulnerabilities
Summary: Firefox could be made to crash or run programs as your login if it
opened a malicious website.
Multiple security issues were discovered in Firefox. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit these to read uninitialized memory, obtain sensitive
information, bypass phishing and malware protection, spoof the origin in
modal dialogs, conduct cross-site scripting (XSS) attacks, cause a denial
of service via application crash, or execute arbitrary code.
(CVE-2017-7793, CVE-2017-7810, CVE-2017-7811, CVE-2017-7812,
CVE-2017-7813, CVE-2017-7814, CVE-2017-7815, CVE-2017-7818, CVE-2017-7819,
CVE-2017-7820, CVE-2017-7822, CVE-2017-7823, CVE-2017-7824)
Martin Thomson discovered that NSS incorrectly g
Debian
CVE-2017-7821: firefox - A vulnerability where WebExtensions can download and attempt to open a file of s...
vendor_debian·2017·CVSS 9.8
CVE-2017-7821 [CRITICAL] CVE-2017-7821: firefox - A vulnerability where WebExtensions can download and attempt to open a file of s...
A vulnerability where WebExtensions can download and attempt to open a file of some non-executable file types. This can be triggered without specific user interaction for the file download and open actions. This could be used to trigger known vulnerabilities in the programs that handle those document types. This vulnerability affects Firefox < 56.
Scope: local
sid: resolved (fixed in 56.0-1)
GHSA
GHSA-rg79-6j3q-wm5h: A vulnerability where WebExtensions can download and attempt to open a file of some non-executable file types
ghsa_unreviewed·2022-05-13
CVE-2017-7821 [CRITICAL] CWE-732 GHSA-rg79-6j3q-wm5h: A vulnerability where WebExtensions can download and attempt to open a file of some non-executable file types
A vulnerability where WebExtensions can download and attempt to open a file of some non-executable file types. This can be triggered without specific user interaction for the file download and open actions. This could be used to trigger known vulnerabilities in the programs that handle those document types. This vulnerability affects Firefox < 56.
OSV
firefox regression
osv·2017-10-04·CVSS 9.8
[CRITICAL] firefox regression
firefox regression
USN-3435-1 fixed vulnerabilities in Firefox. The update caused the Flash
plugin to crash in some circumstances. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
Multiple security issues were discovered in Firefox. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit these to read uninitialized memory, obtain sensitive
information, bypass phishing and malware protection, spoof the origin in
modal dialogs, conduct cross-site scripting (XSS) attacks, cause a denial
of service via application crash, or execute arbitrary code.
(CVE-2017-7793, CVE-2017-7810, CVE-2017-7811, CVE-2017-7812,
CVE-2017-7813, CVE-2017-7814, CVE-2017-7815, CVE-2017-7818, CVE-2017-7819,
CVE-2017-7820, CV
OSV
CVE-2017-7821: A vulnerability where WebExtensions can download and attempt to open a file of some non-executable file types
osv·2017-10-02·CVSS 9.8
CVE-2017-7821 [CRITICAL] CVE-2017-7821: A vulnerability where WebExtensions can download and attempt to open a file of some non-executable file types
A vulnerability where WebExtensions can download and attempt to open a file of some non-executable file types. This can be triggered without specific user interaction for the file download and open actions. This could be used to trigger known vulnerabilities in the programs that handle those document types. This vulnerability affects Firefox < 56.
OSV
firefox vulnerabilities
osv·2017-10-02·CVSS 9.8
CVE-2017-7793 [CRITICAL] firefox vulnerabilities
firefox vulnerabilities
Multiple security issues were discovered in Firefox. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit these to read uninitialized memory, obtain sensitive
information, bypass phishing and malware protection, spoof the origin in
modal dialogs, conduct cross-site scripting (XSS) attacks, cause a denial
of service via application crash, or execute arbitrary code.
(CVE-2017-7793, CVE-2017-7810, CVE-2017-7811, CVE-2017-7812,
CVE-2017-7813, CVE-2017-7814, CVE-2017-7815, CVE-2017-7818, CVE-2017-7819,
CVE-2017-7820, CVE-2017-7822, CVE-2017-7823, CVE-2017-7824)
Martin Thomson discovered that NSS incorrectly generated handshake hashes.
A remote attacker could potentially exploit this to cause a denial of
service via app
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
http://www.securityfocus.com/bid/101057http://www.securitytracker.com/id/1039465https://bugzilla.mozilla.org/show_bug.cgi?id=1346515https://www.mozilla.org/security/advisories/mfsa2017-21/http://www.securityfocus.com/bid/101057http://www.securitytracker.com/id/1039465https://bugzilla.mozilla.org/show_bug.cgi?id=1346515https://www.mozilla.org/security/advisories/mfsa2017-21/
2018-06-11
Published