7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
0.752 High
EPSS
Percentile
98.2%
A type confusion vulnerability can occur when manipulating JavaScript
objects due to issues in Array.pop. This can allow for an exploitable
crash. We are aware of targeted attacks in the wild abusing this flaw. This
vulnerability affects Firefox ESR < 60.7.1, Firefox < 67.0.3, and
Thunderbird < 60.7.2.
Author | Note |
---|---|
tyhicks | mozjs contains a copy of the SpiderMonkey JavaScript engine |
msalvatore | PoC does not cause a crash in mozjs38. The code has also significantly diverged. |
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 18.04 | noarch | firefox | <Β 67.0.3+build1-0ubuntu0.18.04.1 | UNKNOWN |
ubuntu | 18.10 | noarch | firefox | <Β 67.0.3+build1-0ubuntu0.18.10.1 | UNKNOWN |
ubuntu | 19.04 | noarch | firefox | <Β 67.0.3+build1-0ubuntu0.19.04.1 | UNKNOWN |
ubuntu | 19.10 | noarch | firefox | <Β 67.0.3+build1-0ubuntu1 | UNKNOWN |
ubuntu | 20.04 | noarch | firefox | <Β 67.0.3+build1-0ubuntu1 | UNKNOWN |
ubuntu | 20.10 | noarch | firefox | <Β 67.0.3+build1-0ubuntu1 | UNKNOWN |
ubuntu | 21.04 | noarch | firefox | <Β 67.0.3+build1-0ubuntu1 | UNKNOWN |
ubuntu | 21.10 | noarch | firefox | <Β 67.0.3+build1-0ubuntu1 | UNKNOWN |
ubuntu | 22.04 | noarch | firefox | <Β 67.0.3+build1-0ubuntu1 | UNKNOWN |
ubuntu | 22.10 | noarch | firefox | <Β 67.0.3+build1-0ubuntu1 | UNKNOWN |
launchpad.net/bugs/cve/CVE-2019-11707
nvd.nist.gov/vuln/detail/CVE-2019-11707
security-tracker.debian.org/tracker/CVE-2019-11707
ubuntu.com/security/notices/USN-4020-1
ubuntu.com/security/notices/USN-4045-1
www.cve.org/CVERecord?id=CVE-2019-11707
www.mozilla.org/en-US/security/advisories/mfsa2019-18/#CVE-2019-11707
7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
0.752 High
EPSS
Percentile
98.2%