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Anti Virus CVE-2017-9977

HIGH
2017-07-12 cve@mitre.org
7.5
CVSS 3.0 · NVD
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Vulnerability Assessment

Impact

CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. EPSS exploitation probability: 0.41%.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.4% exploitation probability (EPSS)

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AnalysisAI

AVG AntiVirus for MacOS with scan engine before 4668 might allow remote attackers to bypass malware detection by leveraging failure to scan inside disk image (aka DMG) files. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

AVG AntiVirus for MacOS with scan engine before 4668 might allow remote attackers to bypass malware detection by leveraging failure to scan inside disk image (aka DMG) files. Affected products include: Avg Anti-Virus. Version information: before 4668.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

DescriptionCVE.org

AVG AntiVirus for MacOS with scan engine before 4668 might allow remote attackers to bypass malware detection by leveraging failure to scan inside disk image (aka DMG) files.

Threat Intelligence Overview

EPSS Score
0.4%
Top 39% exploitable
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.4%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

38
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +38
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)CVE.org

cpe:2.3:a:avg:anti-virus:-:*:*:*:*:*:*:*
CVE-2012-1461 MEDIUM
4.3 Mar 21

The Gzip file parser in AVG Anti-Virus 10.0.0.1190, Bitdefender 7.2, Command Antivirus 5.2.11.5, Emsisoft Anti-Malware 5

CVE-2012-1459 MEDIUM
4.3 Mar 21

The TAR file parser in AhnLab V3 Internet Security 2011.01.18.00, Avira AntiVir 7.11.1.163, Antiy Labs AVL SDK 2.0.3.7,

CVE-2012-1457 MEDIUM
4.3 Mar 21

The TAR file parser in Avira AntiVir 7.11.1.163, Antiy Labs AVL SDK 2.0.3.7, avast!. Rated medium severity (CVSS 4.3), t

CVE-2012-1443 MEDIUM
4.3 Mar 21

The RAR file parser in ClamAV 0.96.4, Rising Antivirus 22.83.00.03, Quick Heal (aka Cat QuickHeal) 11.00, G Data AntiVir

CVE-2017-14961 HIGH POC
7.8 Nov 15

In IKARUS anti.virus 2.16.7, the ntguard.sys driver contains an Arbitrary Write vulnerability because of not validating

CVE-2017-17795 HIGH POC
7.8 Dec 20

In IKARUS anti.virus 2.16.20, the driver file (ntguard.SYS) allows local users to cause a denial of service (BSOD) or po

CVE-2017-17114 HIGH POC
7.8 Dec 04

ntguard.sys and ntguard_x64.sys 0.18780.0.0 in IKARUS anti.virus 2.16.15 have a Memory Corruption vulnerability via a 0x

CVE-2017-14969 HIGH POC
7.8 Dec 20

In IKARUS anti.virus before 2.16.18, the ntguard.sys driver contains an Arbitrary Write vulnerability because of not val

CVE-2017-14968 HIGH POC
7.8 Dec 20

In IKARUS anti.virus before 2.16.18, the ntguard.sys driver contains an Arbitrary Write vulnerability because of not val

CVE-2017-14967 HIGH POC
7.8 Dec 20

In IKARUS anti.virus before 2.16.18, the ntguard.sys driver contains an Arbitrary Write vulnerability because of not val

CVE-2017-14966 HIGH POC
7.8 Dec 20

In IKARUS anti.virus before 2.16.18, the ntguard.sys driver contains an Arbitrary Write vulnerability because of not val

CVE-2017-14965 HIGH POC
7.8 Dec 20

In IKARUS anti.virus before 2.16.18, the ntguard.sys driver contains an Arbitrary Write vulnerability because of not val

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