CVE-2019-9815
published 2019-07-23CVE-2019-9815: If hyperthreading is not disabled, a timing attack vulnerability exists, similar to previous Spectre attacks. Apple has shipped macOS 10.14.5 with an option to…
PriorityP342high8.1CVSS 3.0
AVNACHPRNUINSUCHIHAH
EPSS
1.83%
76.6th percentile
If hyperthreading is not disabled, a timing attack vulnerability exists, similar to previous Spectre attacks. Apple has shipped macOS 10.14.5 with an option to disable hyperthreading in applications running untrusted code in a thread through a new sysctl. Firefox now makes use of it on the main thread and any worker threads. *Note: users need to update to macOS 10.14.5 in order to take advantage of this change.*. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.
Affected
9 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | firefox | — | — |
| debian | firefox-esr | — | — |
| debian | thunderbird | — | — |
| mozilla | firefox | < 67.0 | 67.0 |
| mozilla | firefox | >= unspecified < 67 | 67 |
| mozilla | firefox_esr | < 60.7 | 60.7 |
| mozilla | firefox_esr | >= unspecified < 60.7 | 60.7 |
| mozilla | thunderbird | < 60.7 | 60.7 |
| mozilla | thunderbird | >= unspecified < 60.7 | 60.7 |
CVSS provenance
nvdv3.08.1HIGHCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.06.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
osv8.1HIGH
vendor_debian8.1LOW
vendor_redhat8.1HIGH
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Red Hat
Mozilla: Disable hyperthreading on content JavaScript threads on macOS
vendor_redhat·2019-05-22·CVSS 8.1
CVE-2019-9815 [HIGH] CWE-203 Mozilla: Disable hyperthreading on content JavaScript threads on macOS
Mozilla: Disable hyperthreading on content JavaScript threads on macOS
If hyperthreading is not disabled, a timing attack vulnerability exists, similar to previous Spectre attacks. Apple has shipped macOS 10.14.5 with an option to disable hyperthreading in applications running untrusted code in a thread through a new sysctl. Firefox now makes use of it on the main thread and any worker threads. *Note: users need to update to macOS 10.14.5 in order to take advantage of this change.*. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.
Package: firefox (Red Hat Enterprise Linux 6) - Not affected
Package: thunderbird (Red Hat Enterprise Linux 6) - Not affected
Package: firefox (Red Hat Enterprise Linux 7) - Not affected
Package: thunderbird (Red Hat Enter
Debian
CVE-2019-9815: firefox - If hyperthreading is not disabled, a timing attack vulnerability exists, similar...
vendor_debian·2019·CVSS 8.1
CVE-2019-9815 [HIGH] CVE-2019-9815: firefox - If hyperthreading is not disabled, a timing attack vulnerability exists, similar...
If hyperthreading is not disabled, a timing attack vulnerability exists, similar to previous Spectre attacks. Apple has shipped macOS 10.14.5 with an option to disable hyperthreading in applications running untrusted code in a thread through a new sysctl. Firefox now makes use of it on the main thread and any worker threads. *Note: users need to update to macOS 10.14.5 in order to take advantage of this change.*. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.
Scope: local
sid: resolved
GHSA
GHSA-crxf-6fx4-jr2j: If hyperthreading is not disabled, a timing attack vulnerability exists, similar to previous Spectre attacks
ghsa_unreviewed·2022-05-24
CVE-2019-9815 [HIGH] CWE-203 GHSA-crxf-6fx4-jr2j: If hyperthreading is not disabled, a timing attack vulnerability exists, similar to previous Spectre attacks
If hyperthreading is not disabled, a timing attack vulnerability exists, similar to previous Spectre attacks. Apple has shipped macOS 10.14.5 with an option to disable hyperthreading in applications running untrusted code in a thread through a new sysctl. Firefox now makes use of it on the main thread and any worker threads. *Note: users need to update to macOS 10.14.5 in order to take advantage of this change.*. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.
OSV
CVE-2019-9815: If hyperthreading is not disabled, a timing attack vulnerability exists, similar to previous Spectre attacks
osv·2019-07-23·CVSS 8.1
CVE-2019-9815 [HIGH] CVE-2019-9815: If hyperthreading is not disabled, a timing attack vulnerability exists, similar to previous Spectre attacks
If hyperthreading is not disabled, a timing attack vulnerability exists, similar to previous Spectre attacks. Apple has shipped macOS 10.14.5 with an option to disable hyperthreading in applications running untrusted code in a thread through a new sysctl. Firefox now makes use of it on the main thread and any worker threads. *Note: users need to update to macOS 10.14.5 in order to take advantage of this change.*. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.
No detection rules found.
No public exploits indexed.
https://bugzilla.mozilla.org/show_bug.cgi?id=1546544https://mdsattacks.com/https://www.mozilla.org/security/advisories/mfsa2019-13/https://www.mozilla.org/security/advisories/mfsa2019-14/https://www.mozilla.org/security/advisories/mfsa2019-15/https://bugzilla.mozilla.org/show_bug.cgi?id=1546544https://mdsattacks.com/https://www.mozilla.org/security/advisories/mfsa2019-13/https://www.mozilla.org/security/advisories/mfsa2019-14/https://www.mozilla.org/security/advisories/mfsa2019-15/
2019-07-23
Published