Vulnerability CVE-2017-5984

Vulnerability Name:

CVE-2017-5984 (CCN-163444)

Assigned:

2017-01-07

Published:

2017-01-07

Updated:

2019-05-23

Summary:

In libavcodec in Libav 9.21, ff_h264_execute_ref_pic_marking() has a heap-based buffer over-read.

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:O/RC:C)

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

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:O/RC:C)

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:

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

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-125

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2017-5984

Source: CCN
Type: Bugzilla Bug 1019
SIGSEGV in ff_h264_execute_ref_pic_marking()

Source: MISC
Type: Exploit, Issue Tracking, Patch, Third Party Advisory
https://bugzilla.libav.org/show_bug.cgi?id=1019

Source: XF
Type: UNKNOWN
libav-cve20175984-dos(163444)

Source: CCN
Type: libav Web site
[2/4] h264dec: initialize field_started to 0 on each decode call

Source: MISC
Type: Mailing List, Patch, Third Party Advisory
https://patches.libav.org/patch/62534/

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2017-5984

Vulnerable Configuration:

Configuration 1:

cpe:/a:libav:libav:9.21:*:*:*:*:*:*:*

Configuration CCN 1:

cpe:/a:libav:libav:9.21:*:*:*:*:*:*:*

Denotes that component is vulnerable

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