CVE-2017-5898: Integer Overflow
First published: Mon Feb 06 2017(Updated: )
Integer overflow in the emulated_apdu_from_guest function in usb/dev-smartcard-reader.c in Quick Emulator (Qemu), when built with the CCID Card device emulator support, allows local users to cause a denial of service (application crash) via a large Application Protocol Data Units (APDU) unit.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/qemu | <2.9 | 2.9 |
| QEMU KVM | <=2.8.1.1 | |
| SUSE Linux Enterprise Desktop with Beagle | =12-sp1 | |
| SUSE Linux Enterprise Server | =12-ltss | |
| SUSE Linux Enterprise Server | =12-sp1 | |
| SUSE Linux Enterprise for SAP | =12 | |
| SUSE Linux Enterprise Software Development Kit | =12-sp1 |
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Reference Links
- http://git.qemu-project.org/?p=qemu.git;a=commit;h=c7dfbf322595ded4e70b626bf83158a9f3807c6a
- http://lists.opensuse.org/opensuse-security-announce/2017-02/msg00045.html
- http://lists.opensuse.org/opensuse-security-announce/2017-02/msg00048.html
- http://www.openwall.com/lists/oss-security/2017/02/07/3
- http://www.securityfocus.com/bid/96112
- https://access.redhat.com/errata/RHSA-2017:1856
- https://access.redhat.com/errata/RHSA-2017:2392
- https://bugzilla.redhat.com/show_bug.cgi?id=1419699
- https://security.gentoo.org/glsa/201702-28
- https://lists.nongnu.org/archive/html/qemu-devel/2017-02/msg01075.html
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1419700
Frequently Asked Questions
What is the severity of CVE-2017-5898?
CVE-2017-5898 has been classified as a high severity vulnerability due to its potential to cause a denial of service.
How do I fix CVE-2017-5898?
To mitigate CVE-2017-5898, users should update QEMU to version 2.9 or later.
Who is affected by CVE-2017-5898?
CVE-2017-5898 affects local users of software built with the CCID Card device emulator support in QEMU versions prior to 2.9.
What type of attack is associated with CVE-2017-5898?
CVE-2017-5898 enables a local user to launch a denial of service attack by causing an application crash.
What components of QEMU are impacted by CVE-2017-5898?
CVE-2017-5898 specifically impacts the emulated_apdu_from_guest function within the usb/dev-smartcard-reader.c file.
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