CVE-2017-14963: In IKARUS anti.virus before 2.16.18, the ntguard.sys driver contains an Arbitrary Write vulnerability because

Q: How do I fix CVE-2017-14963?

anti.virus: upgrade to 2.16.18. Exact commands for each OS are on this page.

Q: Is CVE-2017-14963 being exploited?

CVE-2017-14963 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2017-14963 affect?

CVE-2017-14963 affects anti.virus. Severity is high (CVSS 7.8). In IKARUS anti.virus before 2.16.18, the ntguard.sys driver contains an Arbitrary Write vulnerability because of not validating input values from IOCtl 0x83000058.

Q: How urgent is CVE-2017-14963?

Priority 41/100. High severity; Public exploit reference

This month

HIGH 7.8UPGRADE

CVE-2017-14963 is a high-severity flaw (CVSS 7.8) affecting anti.virus. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In IKARUS anti.virus before 2.16.18, the ntguard.sys driver contains an Arbitrary Write vulnerability because of not validating input values from IOCtl 0x83000058.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 64%)
CISA exploited list	No
Weakness	CWE-20
Published	2017-12-20
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: ikarussecurity

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2017-12-20 18:29 UTCPublished CVE record published
2026-06-17 01:07 UTCUpdated Record last modified

ikarussecurity anti.virus UPGRADE

Affected: < 2.16.18

Fixed in: 2.16.18

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy anti.virus || rpm -q anti.virus || anti.virus --version

2. UPGRADE to 2.16.18 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade anti.virus

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade anti.virus

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2017-14963?

anti.virus: upgrade to 2.16.18. Exact commands for each OS are on this page.

Is CVE-2017-14963 being exploited?

CVE-2017-14963 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2017-14963 affect?

CVE-2017-14963 affects anti.virus. Severity is high (CVSS 7.8). In IKARUS anti.virus before 2.16.18, the ntguard.sys driver contains an Arbitrary Write vulnerability because of not validating input values from IOCtl 0x83000058.

How urgent is CVE-2017-14963?

Priority 41/100. High severity; Public exploit reference

Related CVEs

CVE-2017-17804 HIGH 7.8 DOWNGRADE In IKARUS anti.virus 2.16.20, the driver file (ntguard.SYS) allows local users to cause a denial of service (B
CVE-2017-17797 HIGH 7.8 DOWNGRADE In IKARUS anti.virus 2.16.20, the driver file (ntguard.SYS) allows local users to cause a denial of service (B
CVE-2017-17795 HIGH 7.8 DOWNGRADE In IKARUS anti.virus 2.16.20, the driver file (ntguard.SYS) allows local users to cause a denial of service (B
CVE-2017-17114 HIGH 7.8 DOWNGRADE ntguard.sys and ntguard_x64.sys 0.18780.0.0 in IKARUS anti.virus 2.16.15 have a Memory Corruption vulnerabilit
CVE-2017-17113 MEDIUM 5.5 DOWNGRADE ntguard_x64.sys 0.18780.0.0 in IKARUS anti.virus 2.16.15 has a NULL pointer dereference via a 0x830000c4 Devic

References

← Back to latest CVEs