CVE-2017-12376: Buffer Overflow
First published: Fri Jan 26 2018(Updated: )
ClamAV AntiVirus software versions 0.99.2 and prior contain a vulnerability that could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition or potentially execute arbitrary code on an affected device. The vulnerability is due to improper input validation checking mechanisms when handling Portable Document Format (.pdf) files sent to an affected device. An unauthenticated, remote attacker could exploit this vulnerability by sending a crafted .pdf file to an affected device. This action could cause a handle_pdfname (in pdf.c) buffer overflow when ClamAV scans the malicious file, allowing the attacker to cause a DoS condition or potentially execute arbitrary code.
Credit: ykramarz@cisco.com ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Debian Debian Linux | =7.0 | |
| Clamav Clamav | <=0.99.2 | |
| debian/clamav | 0.103.10+dfsg-0+deb11u1 1.0.5+dfsg-1~deb12u1 1.4.1+dfsg-1 |
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Reference Links
- http://blog.clamav.net/2018/01/clamav-0993-has-been-released.html
- https://bugzilla.clamav.net/show_bug.cgi?id=11942
- https://lists.debian.org/debian-lts-announce/2018/01/msg00035.html
- https://usn.ubuntu.com/3550-1/
- https://usn.ubuntu.com/3550-2/
- https://launchpad.net/bugs/cve/CVE-2017-12376
- https://github.com/vrtadmin/clamav-devel/commit/c8ba4ae2e47a4f49add3e85ef7041b166be6bfdb
- https://security-tracker.debian.org/tracker/CVE-2017-12376
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12376
- https://nvd.nist.gov/vuln/detail/CVE-2017-12376
- https://ubuntu.com/security/CVE-2017-12376
Frequently Asked Questions
What is CVE-2017-12376?
CVE-2017-12376 is a vulnerability in ClamAV AntiVirus software versions 0.99.2 and prior that could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition or potentially execute arbitrary code on an affected device.
How severe is CVE-2017-12376?
CVE-2017-12376 has a severity score of 7.8 (critical).
Which software versions are affected by CVE-2017-12376?
ClamAV AntiVirus software versions 0.99.2 and prior are affected by CVE-2017-12376.
How can CVE-2017-12376 be fixed?
To fix CVE-2017-12376, upgrade to ClamAV AntiVirus software version 0.99.3 or later.
Where can I find more information about CVE-2017-12376?
More information about CVE-2017-12376 can be found at the following references: [Link 1](http://blog.clamav.net/2018/01/clamav-0993-has-been-released.html), [Link 2](https://bugzilla.clamav.net/show_bug.cgi?id=11942), [Link 3](https://lists.debian.org/debian-lts-announce/2018/01/msg00035.html).
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