Access of Resource Using Incompatible Type ('Type Confusion') Affecting firefox package, versions <0:60.6.1-1.el8
Threat Intelligence
Snyk has a published code exploit for this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-RHEL8-FIREFOX-3848668
- published26 Jul 2021
- disclosed22 Mar 2019
Introduced: 22 Mar 2019
CVE-2019-9813 (opens in a new tab)How to fix?
Upgrade RHEL:8 firefox to version 0:60.6.1-1.el8 or higher.
This issue was patched in RHSA-2019:0966.
NVD Description
Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
Incorrect handling of proto mutations may lead to type confusion in IonMonkey JIT code and can be leveraged for arbitrary memory read and write. This vulnerability affects Firefox < 66.0.1, Firefox ESR < 60.6.1, and Thunderbird < 60.6.1.
References
- https://access.redhat.com/security/cve/CVE-2019-9813
- https://bugzilla.mozilla.org/show_bug.cgi?id=1538006
- https://www.mozilla.org/security/advisories/mfsa2019-09/
- https://www.mozilla.org/security/advisories/mfsa2019-10/
- https://www.mozilla.org/security/advisories/mfsa2019-12/
- https://access.redhat.com/errata/RHSA-2019:0966
- https://www.exploit-db.com/exploits/46646