Resource exhaustion in Oracle Linux
CVE-2015-1779
The VNC websocket frame decoder in QEMU allows remote attackers to cause a denial of service (memory and CPU consumption) via a large (1) websocket payload or (2) HTTP headers section.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.066 (93.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 93.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.074 · newest: 0.066 · change: -0.008
Affected products
- Oracle Linux — versions 7
- Qemu — versions 2.3.0
- Canonical Ubuntu Linux — versions 12.04, 14.04, 14.10
- Debian Linux — versions 7.0, 8.0
- Fedoraproject Fedora — versions 21, 22
- Red Hat Enterprise Linux — versions 7.0
- Red Hat Enterprise Linux Eus — versions 7.1, 7.2, 7.3
- Red Hat Enterprise Linux Server — versions 7.0
- Red Hat Enterprise Linux Server Aus — versions 7.3, 7.4, 7.6
- Red Hat Enterprise Linux Server Tus — versions 7.3, 7.6, 7.7
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.opensuse.org/opensuse-security-announce/2015-05/msg00033.html (vendor-advisory, Broken Link)
- lists.gnu.org/archive/html/qemu-devel/2015-03/msg04896.html (mailing-list, Patch, Mailing List, Third Party Advisory)
- lists.fedoraproject.org/pipermail/package-announce/2015-April/155196.html (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2015/dsa-3259 (vendor-advisory, Third Party Advisory)
- www.openwall.com/lists/oss-security/2015/04/09/6 (mailing-list, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2015-05/msg00042.html (vendor-advisory, Broken Link)
- lists.fedoraproject.org/pipermail/package-announce/2015-April/154656.html (vendor-advisory, Third Party Advisory)
- lists.gnu.org/archive/html/qemu-devel/2015-03/msg04894.html (mailing-list, Mailing List, Third Party Advisory)
- rhn.redhat.com/errata/RHSA-2015-1931.html (vendor-advisory, Third Party Advisory)
- www.openwall.com/lists/oss-security/2015/03/24/9 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2015-1779?
- CVE-2015-1779 is a high-severity vulnerability in Oracle Linux, classified under Uncontrolled Resource Consumption. CVSS score: 8.6/10. Published 2016-01-12.
- How severe is CVE-2015-1779?
- High severity. CVSS v3 base score is 8.6 out of 10.
- Is CVE-2015-1779 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.