Vulnerability CVE-2018-6869

Vulnerability Name:

CVE-2018-6869 (CCN-138906)

Assigned:

2018-02-09

Published:

2018-02-09

Updated:

2020-06-28

Summary:

In ZZIPlib 0.13.68, there is an uncontrolled memory allocation and a crash in the __zzip_parse_root_directory function of zzip/zip.c. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted zip file.

CVSS v3 Severity:

6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:U/RC:R)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
4.9 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:U/RC:R)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

CVSS v2 Severity:

4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Complete

Vulnerability Type:

CWE-770

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2018-6869

Source: BID
Type: Third Party Advisory, VDB Entry
103050

Source: CCN
Type: BID-103050
ZZIPlib CVE-2018-6869 Denial of Service Vulnerability

Source: XF
Type: UNKNOWN
zziplib-cve20186869-dos(138906)

Source: CCN
Type: zziplib GIT Repository
Uncontrolled memory allocation in __zzip_parse_root_directory (src/zzip/zip.c) #22

Source: MISC
Type: Exploit, Issue Tracking, Patch, Third Party Advisory
https://github.com/gdraheim/zziplib/issues/22

Source: MLIST
Type: Issue Tracking, Mailing List, Third Party Advisory
[debian-lts-announce] 20180220 [SECURITY] [DLA 1287-1] zziplib security update

Source: MLIST
Type: UNKNOWN
[debian-lts-announce] 20200628 [SECURITY] [DLA 2258-1] zziplib security update

Source: UBUNTU
Type: Third Party Advisory
USN-3699-1

Vulnerable Configuration:

Configuration 1:

cpe:/a:zziplib_project:zziplib:0.13.68:*:*:*:*:*:*:*

Configuration 2:

cpe:/o:debian:debian_linux:7.0:*:*:*:*:*:*:*

Configuration 3:

cpe:/o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*

OR cpe:/o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*

OR cpe:/o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*

OR cpe:/o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.artful:def:20186869000	V	CVE-2018-6869 on Ubuntu 17.10 (artful) - low.	2018-02-09
oval:com.ubuntu.bionic:def:201868690000000	V	CVE-2018-6869 on Ubuntu 18.04 LTS (bionic) - low.	2018-02-09
oval:com.ubuntu.bionic:def:20186869000	V	CVE-2018-6869 on Ubuntu 18.04 LTS (bionic) - low.	2018-02-09
oval:com.ubuntu.xenial:def:201868690000000	V	CVE-2018-6869 on Ubuntu 16.04 LTS (xenial) - low.	2018-02-09
oval:com.ubuntu.trusty:def:20186869000	V	CVE-2018-6869 on Ubuntu 14.04 LTS (trusty) - low.	2018-02-09
oval:com.ubuntu.xenial:def:20186869000	V	CVE-2018-6869 on Ubuntu 16.04 LTS (xenial) - low.	2018-02-09

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