critical9.1Public exploit code
CVE-2017-5447
An out-of-bounds read during the processing of glyph widths during text layout.
Public exploit code
Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.
- Mozilla Firefox < 53 - 'gfxTextRun' Out-of-Bounds Read2017-05-25 · dos · multiple · Verified
Impact
An out-of-bounds read during the processing of glyph widths during text layout. This results in a potentially exploitable crash and could allow an attacker to read otherwise inaccessible memory. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Debian | Debian Linux | Version 9.0 |
| Redhat | Enterprise Linux | Versions 6.0, 7.0 |
| Redhat | Enterprise Linux Desktop | Versions 6.0, 7.0 |
| Redhat | Enterprise Linux Server | Versions 6.0, 7.0 |
| Redhat | Enterprise Linux Server Aus | Versions 7.3, 7.4 |
| Redhat | Enterprise Linux Server Eus | Versions 7.3, 7.4, 7.5 |
| Redhat | Enterprise Linux Workstation | Versions 6.0, 7.0 |
| Mozilla | Firefox | before 45.9.0 before 53.0 Version 52.0 |
| Mozilla | Thunderbird | before 52.1.0 |
Weakness classification
References
- NVD record
- CVE.org record
- http://www.securityfocus.com/bid/97940
- http://www.securitytracker.com/id/1038320
- https://access.redhat.com/errata/RHSA-2017:1104
- https://access.redhat.com/errata/RHSA-2017:1106
- https://access.redhat.com/errata/RHSA-2017:1201
- https://bugzilla.mozilla.org/show_bug.cgi?id=1343552
- https://www.debian.org/security/2017/dsa-3831
- https://www.exploit-db.com/exploits/42071/
- https://www.mozilla.org/security/advisories/mfsa2017-10/
- https://www.mozilla.org/security/advisories/mfsa2017-11/
- https://www.mozilla.org/security/advisories/mfsa2017-12/
- https://www.mozilla.org/security/advisories/mfsa2017-13/
- http://www.securityfocus.com/bid/97940
- http://www.securitytracker.com/id/1038320
- https://access.redhat.com/errata/RHSA-2017:1104
- https://access.redhat.com/errata/RHSA-2017:1106
- https://access.redhat.com/errata/RHSA-2017:1201
- https://bugzilla.mozilla.org/show_bug.cgi?id=1343552
- https://www.debian.org/security/2017/dsa-3831
- https://www.exploit-db.com/exploits/42071/
- https://www.mozilla.org/security/advisories/mfsa2017-10/
- https://www.mozilla.org/security/advisories/mfsa2017-11/
- https://www.mozilla.org/security/advisories/mfsa2017-12/
- https://www.mozilla.org/security/advisories/mfsa2017-13/