CVE-2017-7845: Buffer Overflow
First published: Thu Dec 07 2017(Updated: )
A buffer overflow occurs when drawing and validating elements using Direct 3D 9 with the ANGLE graphics library, used for WebGL content. This is due to an incorrect value being passed within the library during checks and results in a potentially exploitable crash. Note: This attack only affects Windows operating systems. Other operating systems are unaffected.
Credit: security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| <52.5.2 | 52.5.2 | |
| <57.0.2 | 57.0.2 | |
| Mozilla Thunderbird | <52.5.2 | 52.5.2 |
| <52.5.2 | 52.5.2 | |
| Mozilla Firefox | <57.0.2 | |
| Mozilla Firefox ESR | <52.5.2 | |
| Mozilla Thunderbird | <52.5.2 | |
| Microsoft Windows |
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Reference Links
- http://www.securityfocus.com/bid/102115
- http://www.securitytracker.com/id/1040123
- https://bugzilla.mozilla.org/show_bug.cgi?id=1402372
- https://www.mozilla.org/security/advisories/mfsa2017-28/
- https://www.mozilla.org/security/advisories/mfsa2017-29/
- https://www.mozilla.org/security/advisories/mfsa2017-30/
- https://www.mozilla.org/en-US/security/advisories/mfsa2017-28/
- https://www.mozilla.org/en-US/security/advisories/mfsa2017-30/
- https://www.mozilla.org/en-US/security/advisories/mfsa2017-29/
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is CVE-2017-7845?
CVE-2017-7845 is a vulnerability that occurs when drawing and validating elements using Direct3D 9 with the ANGLE graphics library.
How does CVE-2017-7845 affect Mozilla Firefox?
CVE-2017-7845 affects Mozilla Firefox versions up to and excluding 57.0.2
How does CVE-2017-7845 affect Mozilla Thunderbird?
CVE-2017-7845 affects Mozilla Thunderbird version 52.5.2
What is the severity of CVE-2017-7845?
CVE-2017-7845 has a severity rating of 8.8 (critical)
How can I fix CVE-2017-7845?
To fix CVE-2017-7845, update Mozilla Firefox to version 57.0.2 or later, or update Mozilla Thunderbird to version 52.5.2 or later.
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