CVE-2018-1000085

Severity Score

5.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

ClamAV version version 0.99.3 contains a Out of bounds heap memory read vulnerability in XAR parser, function xar_hash_check() that can result in Leaking of memory, may help in developing exploit chains.. This attack appear to be exploitable via The victim must scan a crafted XAR file. This vulnerability appears to have been fixed in after commit d96a6b8bcc7439fa7e3876207aa0a8e79c8451b6.

ClamAV, versión 0.99.3, contiene una vulnerabilidad de lectura de memoria dinámica (heap) fuera de límites en el analizador XAR, en la función xar_hash_check() que puede resultar en un filtrado de memoria y ayudar a desarrollar cadenas de exploits. El ataque parece ser explotable si una víctima escanea un archivo XAR malicioso. La vulnerabilidad parece haber sido solucionada tras el commit con ID d96a6b8bcc7439fa7e3876207aa0a8e79c8451b6.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-02-21 CVE Reserved
2018-03-08 CVE Published
2023-03-07 EPSS Updated
2024-08-05 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-125: Out-of-bounds Read

CAPEC

References (6)

URL	Tag	Source
https://lists.debian.org/debian-lts-announce/2018/03/msg00011.html	Mailing List

URL	Date	SRC

URL	Date	SRC
http://www.openwall.com/lists/oss-security/2017/09/29/4	2019-03-20
https://github.com/Cisco-Talos/clamav-devel/commit/d96a6b8bcc7439fa7e3876207aa0a8e79c8451b6	2019-03-20

URL	Date	SRC
https://security.gentoo.org/glsa/201804-16	2019-03-20
https://usn.ubuntu.com/3592-1	2019-03-20
https://usn.ubuntu.com/3592-2	2019-03-20

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Clamav Search vendor "Clamav"		Clamav Search vendor "Clamav" for product "Clamav"				0.99.3 Search vendor "Clamav" for product "Clamav" and version "0.99.3"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				7.0 Search vendor "Debian" for product "Debian Linux" and version "7.0"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				12.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "12.04"		esm		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				14.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				17.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "17.10"		-		Affected