CVE-2019-17017
What it is
Due to a missing case handling object types, a type confusion vulnerability could occur, resulting in a crash. We presume that with enough effort that it could be exploited to run arbitrary code. This vulnerability affects Firefox ESR < 68.4 and Firefox < 72.
At a glance
- Exploitability
- Can be exploited over the network without logging in, but needs a user to act. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 2.5% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 2.5% in the next 30 days (EPSS).
- Severity: 8.8 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 2.5% · EPSS, next 30 days
- Weakness
- CWE-843
- Record status
- Modified
Affected
- Mozilla Firefox < 72.0
- Mozilla Firefox Esr < 68.4
- Canonical Ubuntu Linux 16.04
- Canonical Ubuntu Linux 18.04
- Canonical Ubuntu Linux 19.04
- Canonical Ubuntu Linux 19.10
- Debian Linux 8.0
- Debian Linux 9.0
Attack profile CVSS 3.1 · 8.8
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2019-17017.md and follow it. Check whether this project is affected by CVE-2019-17017. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://www.mozilla.org/security/advisories/mfsa2020-01/
- https://www.mozilla.org/security/advisories/mfsa2020-02/
- https://www.mozilla.org/security/advisories/mfsa2020-01/
- https://www.mozilla.org/security/advisories/mfsa2020-02/
References
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00029.html
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00043.html
- http://packetstormsecurity.com/files/155912/Slackware-Security-Advisory-mozilla-thunderbird-Updates.html
- https://access.redhat.com/errata/RHSA-2020:0085
- https://access.redhat.com/errata/RHSA-2020:0086
- https://access.redhat.com/errata/RHSA-2020:0111
- https://access.redhat.com/errata/RHSA-2020:0120
- https://access.redhat.com/errata/RHSA-2020:0123
- https://access.redhat.com/errata/RHSA-2020:0127
- https://access.redhat.com/errata/RHSA-2020:0292
- https://access.redhat.com/errata/RHSA-2020:0295
- https://bugzilla.mozilla.org/show_bug.cgi?id=1603055
- https://lists.debian.org/debian-lts-announce/2020/01/msg00005.html
- https://lists.debian.org/debian-lts-announce/2020/01/msg00016.html
- https://seclists.org/bugtraq/2020/Jan/12
- https://seclists.org/bugtraq/2020/Jan/18
- https://seclists.org/bugtraq/2020/Jan/26
- https://security.gentoo.org/glsa/202003-02
- https://usn.ubuntu.com/4234-1/
- https://usn.ubuntu.com/4241-1/
- https://usn.ubuntu.com/4335-1/
- https://www.debian.org/security/2020/dsa-4600
- https://www.debian.org/security/2020/dsa-4603
- https://www.mozilla.org/security/advisories/mfsa2020-01/
- https://www.mozilla.org/security/advisories/mfsa2020-02/