CVE-2017-5378
UnknownEPSS 3.40%
Last modified
CVE-2017-5378 is a vulnerability of currently unknown severity. Hashed codes of JavaScript objects are shared between pages. This allows for pointer leaks because an object's address can be discovered through hash codes, and also allows for data leakage of an object's content using these hash codes. EPSS estimates a 3.40% chance of exploitation in the next 30 days.
Description
Hashed codes of JavaScript objects are shared between pages. This allows for pointer leaks because an object's address can be discovered through hash codes, and also allows for data leakage of an object's content using these hash codes. This vulnerability affects Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox < 51.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Debian | Debian Linux | 8.0 |
| Redhat | Enterprise Linux | 5.0 |
| Redhat | Enterprise Linux | 6.0 |
| Redhat | Enterprise Linux | 7.0 |
| Redhat | Enterprise Linux Desktop | 5.0 |
| Redhat | Enterprise Linux Desktop | 6.0 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Server | 5.0 |
| Redhat | Enterprise Linux Server | 6.0 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Server Aus | 7.3 |
| Redhat | Enterprise Linux Server Aus | 7.4 |
| Redhat | Enterprise Linux Server Eus | 7.3 |
| Redhat | Enterprise Linux Server Eus | 7.4 |
| Redhat | Enterprise Linux Server Eus | 7.5 |
| Redhat | Enterprise Linux Workstation | 5.0 |
| Redhat | Enterprise Linux Workstation | 6.0 |
| Redhat | Enterprise Linux Workstation | 7.0 |
| Mozilla | Thunderbird | < 45.7.0 |
| Mozilla | Firefox | < 51.0 |
| Mozilla | Firefox | < 45.7.0 |
References
- http://rhn.redhat.com/errata/RHSA-2017-0190.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0238.htmlThird Party Advisory
- http://www.securityfocus.com/bid/95769Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037693Third Party Advisory, VDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1312001Exploit, Issue Tracking, Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1330769Issue Tracking, Patch, Vendor Advisory
- https://security.gentoo.org/glsa/201702-13Third Party Advisory
- https://security.gentoo.org/glsa/201702-22Third Party Advisory
- https://www.debian.org/security/2017/dsa-3771Third Party Advisory
- https://www.debian.org/security/2017/dsa-3832Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-01/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-02/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-03/Vendor Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0190.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0238.htmlThird Party Advisory
- http://www.securityfocus.com/bid/95769Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037693Third Party Advisory, VDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1312001Exploit, Issue Tracking, Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1330769Issue Tracking, Patch, Vendor Advisory
- https://security.gentoo.org/glsa/201702-13Third Party Advisory
- https://security.gentoo.org/glsa/201702-22Third Party Advisory
- https://www.debian.org/security/2017/dsa-3771Third Party Advisory
- https://www.debian.org/security/2017/dsa-3832Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-01/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-02/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-03/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-5378?
Hashed codes of JavaScript objects are shared between pages. This allows for pointer leaks because an object's address can be discovered through hash codes, and also allows for data leakage of an object's content using these hash codes. This vulnerability affects Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox < 51.
How severe is CVE-2017-5378?
Severity scoring for CVE-2017-5378 is pending analysis. The EPSS model estimates a 3.40% probability of exploitation in the next 30 days.
How do I fix CVE-2017-5378?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2017-5378?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST