Integer Overflow or Wraparound Affecting qemu package, versions <1:3.1+dfsg-1
Snyk CVSS
Attack Complexity
Low
Confidentiality
High
Integrity
High
Availability
High
Threat Intelligence
EPSS
0.8% (82nd
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN12-QEMU-1558217
- published 9 Oct 2018
- disclosed 9 Oct 2018
Introduced: 9 Oct 2018
CVE-2018-17963 Open this link in a new tabHow to fix?
Upgrade Debian:12
qemu
to version 1:3.1+dfsg-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream qemu
package and not the qemu
package as distributed by Debian
.
See How to fix?
for Debian:12
relevant fixed versions and status.
qemu_deliver_packet_iov in net/net.c in Qemu accepts packet sizes greater than INT_MAX, which allows attackers to cause a denial of service or possibly have unspecified other impact.
References
- https://security-tracker.debian.org/tracker/CVE-2018-17963
- https://www.debian.org/security/2018/dsa-4338
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
- https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg06054.html
- https://lists.gnu.org/archive/html/qemu-devel/2018-09/msg03267.html
- http://www.openwall.com/lists/oss-security/2018/10/08/1
- https://access.redhat.com/errata/RHSA-2019:2166
- https://access.redhat.com/errata/RHSA-2019:2425
- https://access.redhat.com/errata/RHSA-2019:2553
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-17963
- https://usn.ubuntu.com/3826-1/