Heap-based Buffer Overflow Affecting qemu-img package, versions <10:1.5.3-160.el7_6.3
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL7-QEMUIMG-1508496
- published26 Jul 2021
- disclosed11 Jan 2019
Introduced: 11 Jan 2019
CVE-2019-6778 (opens in a new tab)How to fix?
Upgrade RHEL:7 qemu-img to version 10:1.5.3-160.el7_6.3 or higher.
This issue was patched in RHSA-2019:1883.
NVD Description
Note: Versions mentioned in the description apply only to the upstream qemu-img package and not the qemu-img package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
In QEMU 3.0.0, tcp_emu in slirp/tcp_subr.c has a heap-based buffer overflow.
References
- http://www.securityfocus.com/bid/106758
- https://seclists.org/bugtraq/2019/May/76
- https://access.redhat.com/security/cve/CVE-2019-6778
- https://www.debian.org/security/2019/dsa-4454
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CGCFIFSIWUREEQQOZDZFBYKWZHXCWBZN/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KJMTVGDLA654HNCDGLCUEIP36SNJEKK7/
- https://lists.gnu.org/archive/html/qemu-devel/2019-01/msg03132.html
- http://www.openwall.com/lists/oss-security/2019/01/24/5
- https://access.redhat.com/errata/RHSA-2019:1883
- http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00073.html
- http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00001.html
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html
- https://usn.ubuntu.com/3923-1/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CGCFIFSIWUREEQQOZDZFBYKWZHXCWBZN/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KJMTVGDLA654HNCDGLCUEIP36SNJEKK7/