Lucene search

K
hiveproHive ProHIVEPRO:7B91308FF63F88585CC4A729FC121AF8
HistoryDec 28, 2023 - 2:23 p.m.

Cloud Atlas Exploits Six-Year-Old Flaw to Target Russian Companies

2023-12-2814:23:55
Hive Pro
www.hivepro.com
15
cloud atlas
spear-phishing
russian enterprises
cve-2017-11882
memory corruption
microsoft office
equation editor
vulnerability
malicious payloads
hiveforce labs

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

7.7 High

AI Score

Confidence

Low

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.974 High

EPSS

Percentile

99.9%

Summary: The threat actor Cloud Atlas has been identified in spear-phishing attacks targeting Russian enterprises. The modus operandi involves a phishing message in the initial stage, containing a lure document that exploits CVE-2017-11882, a memory corruption vulnerability in Microsoft Office's Equation Editor. This six-year-old vulnerability is leveraged to initiate the execution of malicious payloads. Threat Level - Red | Attack Report For a detailed threat advisory, download the pdf file here To receive real-time threat advisories, please follow HiveForce Labs on LinkedIn.

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

7.7 High

AI Score

Confidence

Low

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.974 High

EPSS

Percentile

99.9%