CVE-2017-12141: Buffer Overflow
First published: Wed Aug 02 2017(Updated: )
In ytnef 1.9.2, a heap-based buffer overflow vulnerability was found in the function TNEFFillMapi in ytnef.c, which allows attackers to cause a denial of service via a crafted file.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| ubuntu/libytnef | <1.5-6ubuntu0.2 | 1.5-6ubuntu0.2 |
| ubuntu/libytnef | <1.9.3-1 | 1.9.3-1 |
| debian/libytnef | 1.9.3-1 1.9.3-3 2.0-1 2.1.2-1 | |
| ytnef | =1.9.2 |
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Reference Links
- https://github.com/Yeraze/ytnef/issues/50
- https://somevulnsofadlab.blogspot.com/2017/07/ytnefheap-buffer-overflow-in.html
- https://usn.ubuntu.com/3667-1/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LFJWMUEUC4ILH2HEOCYVVLQT654ZMCGQ/
- https://launchpad.net/bugs/cve/CVE-2017-12141
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LFJWMUEUC4ILH2HEOCYVVLQT654ZMCGQ/
- https://security-tracker.debian.org/tracker/CVE-2017-12141
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12141
- https://ubuntu.com/security/notices/USN-3667-1
- https://nvd.nist.gov/vuln/detail/CVE-2017-12141
- https://github.com/Yeraze/ytnef/pull/59/commits/c576639e7e6bd9c7de0a288b9f94590d34ac9215
- https://ubuntu.com/security/CVE-2017-12141
Frequently Asked Questions
What is the severity of CVE-2017-12141?
CVE-2017-12141 is classified as a critical vulnerability due to its potential to cause denial of service through a heap-based buffer overflow.
How do I fix CVE-2017-12141?
To fix CVE-2017-12141, upgrade to the recommended versions of libytnef: 1.5-6ubuntu0.2 for Ubuntu or 1.9.3-1 for Debian.
Which versions are affected by CVE-2017-12141?
CVE-2017-12141 specifically affects ytnef version 1.9.2.
Can CVE-2017-12141 be exploited remotely?
Yes, CVE-2017-12141 can be exploited remotely by sending a specially crafted file to the affected system.
What type of vulnerability is CVE-2017-12141?
CVE-2017-12141 is a heap-based buffer overflow vulnerability.
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