Vulnerability CVE-2018-14072

Vulnerability Name:

CVE-2018-14072 (CCN-146544)

Assigned:

2018-07-14

Published:

2018-07-14

Updated:

2019-10-03

Summary:

libsixel 1.8.1 has a memory leak in sixel_decoder_decode in decoder.c, image_buffer_resize in fromsixel.c, and sixel_decode_raw in fromsixel.c.

CVSS v3 Severity:

7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.6 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

3.3 Low (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
2.9 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/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): Low

CVSS v2 Severity:

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

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

1.7 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:P)

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

Vulnerability Type:

CWE-772

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2018-14072

Source: XF
Type: UNKNOWN
libsixel-cve201814072-dos(146544)

Source: CCN
Type: libsixel GIT Repository
Memory leak detected #67

Source: MISC
Type: Third Party Advisory
https://github.com/saitoha/libsixel/issues/67#issue-341198610

Vulnerable Configuration:

Configuration 1:

cpe:/a:libsixel_project:libsixel:1.8.1:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.disco:def:2018140720000000	V	CVE-2018-14072 on Ubuntu 19.04 (disco) - low.	2018-07-15
oval:com.ubuntu.artful:def:201814072000	V	CVE-2018-14072 on Ubuntu 17.10 (artful) - low.	2018-07-15
oval:com.ubuntu.cosmic:def:2018140720000000	V	CVE-2018-14072 on Ubuntu 18.10 (cosmic) - low.	2018-07-15
oval:com.ubuntu.bionic:def:201814072000	V	CVE-2018-14072 on Ubuntu 18.04 LTS (bionic) - low.	2018-07-15
oval:com.ubuntu.bionic:def:2018140720000000	V	CVE-2018-14072 on Ubuntu 18.04 LTS (bionic) - low.	2018-07-15
oval:com.ubuntu.cosmic:def:201814072000	V	CVE-2018-14072 on Ubuntu 18.10 (cosmic) - low.	2018-07-15
oval:com.ubuntu.xenial:def:2018140720000000	V	CVE-2018-14072 on Ubuntu 16.04 LTS (xenial) - low.	2018-07-15
oval:com.ubuntu.xenial:def:201814072000	V	CVE-2018-14072 on Ubuntu 16.04 LTS (xenial) - low.	2018-07-15

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