Vulnerability CVE-2019-3574

Vulnerability Name:

CVE-2019-3574 (CCN-155048)

Assigned:

2019-01-02

Published:

2019-01-02

Updated:

2020-08-24

Summary:

In libsixel v1.8.2, there is a heap-based buffer over-read in the function load_jpeg() in the file loader.c, as demonstrated by img2sixel.

CVSS v3 Severity:

7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.9 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/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): High Integrity (I): High Availibility (A): High

5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L)
4.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/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): Low Integrity (I): Low Availibility (A): Low

CVSS v2 Severity:

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

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

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

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

Vulnerability Type:

CWE-125

Vulnerability Consequences:

Gain Access

References:

Source: MITRE
Type: CNA
CVE-2019-3574

Source: XF
Type: UNKNOWN
libsixel-cve20193574-bo(155048)

Source: CCN
Type: libsixel GIT Repository
two bugs in img2sixel and sixel2png #83

Source: MISC
Type: Exploit, Third Party Advisory
https://github.com/saitoha/libsixel/issues/83

Source: MISC
Type: Exploit, Third Party Advisory
https://github.com/TeamSeri0us/pocs/tree/master/libsixel

Vulnerable Configuration:

Configuration 1:

cpe:/a:libsixel_project:libsixel:1.8.2:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.bionic:def:20193574000	V	CVE-2019-3574 on Ubuntu 18.04 LTS (bionic) - low.	2019-01-02
oval:com.ubuntu.bionic:def:201935740000000	V	CVE-2019-3574 on Ubuntu 18.04 LTS (bionic) - low.	2019-01-02
oval:com.ubuntu.cosmic:def:20193574000	V	CVE-2019-3574 on Ubuntu 18.10 (cosmic) - low.	2019-01-02
oval:com.ubuntu.xenial:def:201935740000000	V	CVE-2019-3574 on Ubuntu 16.04 LTS (xenial) - low.	2019-01-02
oval:com.ubuntu.xenial:def:20193574000	V	CVE-2019-3574 on Ubuntu 16.04 LTS (xenial) - low.	2019-01-02
oval:com.ubuntu.disco:def:201935740000000	V	CVE-2019-3574 on Ubuntu 19.04 (disco) - low.	2019-01-02
oval:com.ubuntu.cosmic:def:201935740000000	V	CVE-2019-3574 on Ubuntu 18.10 (cosmic) - low.	2019-01-02

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