Lucene search

MitreCVE-2018-19975

HistoryDec 17, 2018 - 7:29 p.m.

CVE-2018-19975

2018-12-1719:29:01

CWE-125

mitre

web.nvd.nist.gov

yara

cve-2018-19975

bytecode

memory

vulnerability

CVSS2

7.1

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

AI Score

5.3

Confidence

High

EPSS

0.001

Percentile

45.7%

JSON

In YARA 3.8.1, bytecode in a specially crafted compiled rule can read data from any arbitrary address in memory, in libyara/exec.c. Specifically, OP_COUNT can read a DWORD.

Affected configurations

Nvd

Node

virustotalyaraMatch3.8.1

VendorProductVersionCPE
virustotalyara3.8.1cpe:2.3:a:virustotal:yara:3.8.1:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
virustotal	yara	3.8.1	cpe:2.3:a:virustotal:yara:3.8.1:::::::*

References

bnbdr.github.io/posts/extracheese/

github.com/bnbdr/swisscheese/

github.com/VirusTotal/yara/issues/999

lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DFFXDAMP6GJ337LIOTVF5I4T6QGMN3ZR/

CVSS2

7.1

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

AI Score

5.3

Confidence

High

EPSS

0.001

Percentile

45.7%

JSON

Related for CVE-2018-19975