Improper access control in Mozilla Firefox
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Partial Red Hat: 14 fixed, 2 without a fix
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-284.
Summary
It was possible for a web extension with minimal permissions to create a `StreamFilter` which could be used to read and modify the response body of requests on any site. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 128.1, Thunderbird < 128.1, and Thunderbird < 115.14.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Mozilla | Firefox | before 129 | 129 | Patch available | CNA |
| Mozilla | Firefox ESR | before 115.14 | 115.14 | Patch available | CNA |
| Mozilla | Firefox ESR | before 128.1 | 128.1 | Patch available | CNA |
| Mozilla | Thunderbird | before 128.1 | 128.1 | Patch available | CNA |
| Mozilla | Thunderbird | before 115.14 | 115.14 | Patch available | CNA |
- Firefox VendorMozilla Affected before 129 Fixed in 129 Patch available CNA
- Firefox ESR VendorMozilla Affected before 115.14 Fixed in 115.14 Patch available CNA
- Firefox ESR VendorMozilla Affected before 128.1 Fixed in 128.1 Patch available CNA
- Thunderbird VendorMozilla Affected before 128.1 Fixed in 128.1 Patch available CNA
- Thunderbird VendorMozilla Affected before 115.14 Fixed in 115.14 Patch available CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | before 129.0 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* | before 115.14.0 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox_esr:128.0:*:*:*:*:*:*:* | 128.0 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* | before 115.14.0 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:thunderbird:128.0.1:*:*:*:*:*:*:* | 128.0.1 | Vulnerable | Mozilla |
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 129.0 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* Versions before 115.14.0 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox_esr:128.0:*:*:*:*:*:*:* Versions 128.0 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions before 115.14.0 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:thunderbird:128.0.1:*:*:*:*:*:*:* Versions 128.0.1 Vulnerable ·Mozilla
Remediation
- Fix · CNA Firefox (Mozilla) Fixed in 129
- Fix · CNA Firefox ESR (Mozilla) Fixed in 115.14
- Fix · CNA Firefox ESR (Mozilla) Fixed in 128.1
- Fix · CNA Thunderbird (Mozilla) Fixed in 128.1
- Fix · CNA Thunderbird (Mozilla) Fixed in 115.14
Red Hat 17 advisories
- RHSA-2024:5527 Released 2024-08-19 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream AUS (v.8.4) thunderbird-115.14.0-1.el8_4
- Red Hat Enterprise Linux AppStream E4S (v.8.4) thunderbird-115.14.0-1.el8_4
- Red Hat Enterprise Linux AppStream TUS (v.8.4) thunderbird-115.14.0-1.el8_4
- RHSA-2024:5528 Released 2024-08-19 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream AUS (v.8.6) thunderbird-115.14.0-1.el8_6
- Red Hat Enterprise Linux AppStream E4S (v.8.6) thunderbird-115.14.0-1.el8_6
- Red Hat Enterprise Linux AppStream TUS (v.8.6) thunderbird-115.14.0-1.el8_6
- RHSA-2024:5322 Released 2024-08-15 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream (v. 9) firefox-115.14.0-2.el9_4, firefox-x11-115.14.0-2.el9_4
Show 14 more Red Hat advisories
- RHSA-2024:5391 Released 2024-08-14 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream (v. 8) firefox-115.14.0-2.el8_10
- RHSA-2024:5392 Released 2024-08-14 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream (v. 9) thunderbird-115.14.0-1.el9_4
- RHSA-2024:5402 Released 2024-08-14 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream (v. 8) thunderbird-115.14.0-1.el8_10
- RHSA-2024:5394 Released 2024-08-14 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream EUS (v.8.8) thunderbird-115.14.0-1.el8_8
- RHSA-2024:5396 Released 2024-08-14 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream EUS (v.9.2) thunderbird-115.14.0-1.el9_2
- RHSA-2024:5395 Released 2024-08-14 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream E4S (v.9.0) thunderbird-115.14.0-1.el9_0
- RHSA-2024:5393 Released 2024-08-14 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream AUS (v. 8.2) thunderbird-115.14.0-1.el8_2
- RHSA-2024:5328 Released 2024-08-13 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream EUS (v.9.2) firefox-115.14.0-2.el9_2, firefox-x11-115.14.0-2.el9_2
- RHSA-2024:5329 Released 2024-08-13 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream EUS (v.8.8) firefox-115.14.0-2.el8_8
- RHSA-2024:5326 Released 2024-08-13 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream AUS (v.8.6) firefox-115.14.0-2.el8_6
- Red Hat Enterprise Linux AppStream E4S (v.8.6) firefox-115.14.0-2.el8_6
- Red Hat Enterprise Linux AppStream TUS (v.8.6) firefox-115.14.0-2.el8_6
- RHSA-2024:5324 Released 2024-08-13 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux Server (v. 7 ELS) firefox-115.14.0-2.el7_9
- Red Hat Enterprise Linux Server Optional (v. 7 ELS) firefox-115.14.0-2.el7_9
- RHSA-2024:5327 Released 2024-08-13 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream E4S (v.9.0) firefox-115.14.0-2.el9_0
- RHSA-2024:5325 Released 2024-08-13 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream AUS (v.8.4) firefox-115.14.0-2.el8_4
- Red Hat Enterprise Linux AppStream E4S (v.8.4) firefox-115.14.0-2.el8_4
- Red Hat Enterprise Linux AppStream TUS (v.8.4) firefox-115.14.0-2.el8_4
- RHSA-2024:5323 Released 2024-08-13 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream AUS (v. 8.2) firefox-115.14.0-2.el8_2
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Mozilla Firefox 129
14 records Highest priority Priority MEDIUM 9 MEDIUM, 5 LOW
Other records, highest priority first
- TI-2024-06970 Improper handling of exceptional conditions in Mozilla FirefoxPriority MEDIUM 50
- TI-2024-06979 Use after free in Mozilla FirefoxPriority MEDIUM 49
- TI-2024-06977 Use after free in Mozilla FirefoxPriority MEDIUM 49
- Release ·
Mozilla Firefox ESR 128.1
12 records Highest priority Priority MEDIUM 8 MEDIUM, 4 LOW
Other records, highest priority first
- TI-2024-06970 Improper handling of exceptional conditions in Mozilla FirefoxPriority MEDIUM 50
- TI-2024-06977 Use after free in Mozilla FirefoxPriority MEDIUM 49
- TI-2024-06971 Out-of-bounds read in Mozilla FirefoxPriority MEDIUM 46
Show 3 more groups
- Release ·
Mozilla Thunderbird 128.1
10 records Highest priority Priority MEDIUM 8 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2024-06970 Improper handling of exceptional conditions in Mozilla FirefoxPriority MEDIUM 50
- TI-2024-06977 Use after free in Mozilla FirefoxPriority MEDIUM 49
- TI-2024-06971 Out-of-bounds read in Mozilla FirefoxPriority MEDIUM 46
- Release ·
Mozilla Firefox ESR 115.14
9 records Highest priority Priority MEDIUM 6 MEDIUM, 3 LOW
Other records, highest priority first
- TI-2024-06970 Improper handling of exceptional conditions in Mozilla FirefoxPriority MEDIUM 50
- TI-2024-06971 Out-of-bounds read in Mozilla FirefoxPriority MEDIUM 46
- TI-2024-06968 Out-of-bounds write in Mozilla FirefoxPriority MEDIUM 44
- Release ·
Mozilla Thunderbird 115.14
7 records Highest priority Priority MEDIUM 6 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2024-06970 Improper handling of exceptional conditions in Mozilla FirefoxPriority MEDIUM 50
- TI-2024-06971 Out-of-bounds read in Mozilla FirefoxPriority MEDIUM 46
- TI-2024-06968 Out-of-bounds write in Mozilla FirefoxPriority MEDIUM 44
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2024:5391, RHSA-2024:5402 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2024:5322, RHSA-2024:5392 |
| Red Hat Enterprise Linux AppStream AUS (v. 8.2) | Fixed | RHSA-2024:5323, RHSA-2024:5393 |
| Red Hat Enterprise Linux AppStream AUS (v.8.4) | Fixed | RHSA-2024:5325, RHSA-2024:5527 |
| Red Hat Enterprise Linux AppStream AUS (v.8.6) | Fixed | RHSA-2024:5326, RHSA-2024:5528 |
| Red Hat Enterprise Linux AppStream E4S (v.8.4) | Fixed | RHSA-2024:5325, RHSA-2024:5527 |
| Red Hat Enterprise Linux AppStream E4S (v.8.6) | Fixed | RHSA-2024:5326, RHSA-2024:5528 |
| Red Hat Enterprise Linux AppStream E4S (v.9.0) | Fixed | RHSA-2024:5327, RHSA-2024:5395 |
| Red Hat Enterprise Linux AppStream EUS (v.8.8) | Fixed | RHSA-2024:5329, RHSA-2024:5394 |
| Red Hat Enterprise Linux AppStream EUS (v.9.2) | Fixed | RHSA-2024:5328, RHSA-2024:5396 |
| Red Hat Enterprise Linux AppStream TUS (v.8.4) | Fixed | RHSA-2024:5325, RHSA-2024:5527 |
| Red Hat Enterprise Linux AppStream TUS (v.8.6) | Fixed | RHSA-2024:5326, RHSA-2024:5528 |
| Red Hat Enterprise Linux Server (v. 7 ELS) | Fixed | RHSA-2024:5324 |
| Red Hat Enterprise Linux Server Optional (v. 7 ELS) | Fixed | RHSA-2024:5324 |
Timeline
- 2026-10-02 Threatist record created from CVE-2024-7525
- 2026-10-03 Alias added: GHSA-7369-x5q2-rh2m
References
Advisory 5
More Mozilla Firefox vulnerabilities
- TI-2024-08981 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.8
- TI-2022-09832 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.6
- TI-2019-08769 Improper input validation in Mozilla Firefox ESR KEVCVSS 3.1CRITICAL 10.0
- TI-2010-03577 Mozilla Firefox 3.5.x through 3.5.14 and 3.6.x through 3.6.11, Thunderbird 3.1.6 before… KEVCVSS 3.1CRITICAL 9.8
- TI-2023-04799 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
- TI-2023-04477 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
Sources
- CVE-2024-7525 · CVE Program
- CVE-2024-7525 · NVD
- FIRST EPSS
- GHSA-7369-x5q2-rh2m · GitHub Advisory Database · CC BY 4.0
- CVE-2024-7525 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences