SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2016-3645

Integer overflow in the TNEF unpacker in the AntiVirus Decomposer engine in Symantec Advanced Threat Protection (ATP); Symantec Data Center Security:Server (SDCS:S) 6.x through 6.6 MP1; Symantec Web Gateway; Symantec Endpoint Protection (SEP) before…

CRITICAL 9.8EPSS 24.6%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 24.6%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

Description

Integer overflow in the TNEF unpacker in the AntiVirus Decomposer engine in Symantec Advanced Threat Protection (ATP); Symantec Data Center Security:Server (SDCS:S) 6.x through 6.6 MP1; Symantec Web Gateway; Symantec Endpoint Protection (SEP) before 12.1 RU6 MP5; Symantec Endpoint Protection (SEP) for Mac; Symantec Endpoint Protection (SEP) for Linux before 12.1 RU6 MP5; Symantec Protection Engine (SPE) before 7.0.5 HF01, 7.5.x before 7.5.3 HF03, 7.5.4 before HF01, and 7.8.0 before HF01; Symantec Protection for SharePoint Servers (SPSS) 6.0.3 through 6.0.5 before 6.0.5 HF 1.5 and 6.0.6 before HF 1.6; Symantec Mail Security for Microsoft Exchange (SMSMSE) before 7.0_3966002 HF1.1 and 7.5.x before 7.5_3966008 VHF1.2; Symantec Mail Security for Domino (SMSDOM) before 8.0.9 HF1.1 and 8.1.x before 8.1.3 HF1.2; CSAPI before 10.0.4 HF01; Symantec Message Gateway (SMG) before 10.6.1-4; Symantec Message Gateway for Service Providers (SMG-SP) 10.5 before patch 254 and 10.6 before patch 253; Norton AntiVirus, Norton Security, Norton Internet Security, and Norton 360 before NGC 22.7; Norton Security for Mac before 13.0.2; Norton Power Eraser (NPE) before 5.1; and Norton Bootable Removal Tool (NBRT) before 2016.1 allows remote attackers to have an unspecified impact via crafted TNEF data.

CVSS 3.0
9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
24.61% probability · 98th percentile
CISA KEV
Not listed
Weakness
CWE-189
Affected
symantec/norton security · symantec/protection engine · symantec/advanced threat protection · symantec/norton bootable removal tool · symantec/data center security server · symantec/protection for sharepoint servers · symantec/message gateway for service providers · symantec/csapi · symantec/endpoint protection · symantec/norton power eraser · symantec/mail security for domino · symantec/mail security for microsoft exchange · symantec/message gateway · symantec/norton 360 · symantec/norton antivirus · symantec/norton internet security · symantec/norton security with backup · symantec/ngc
Source
secure@symantec.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.