Vulnerability CVE-2017-5949

Vulnerability Name:

CVE-2017-5949 (CCN-128647)

Assigned:

2017-01-20

Published:

2017-01-20

Updated:

2017-04-11

Summary:

JavaScriptCore in WebKit, as distributed in Safari Technology Preview Release 22, allows remote attackers to cause a denial of service (heap-based out-of-bounds write and application crash) or possibly have unspecified other impact via crafted JavaScript code that triggers access to red-zone memory locations, related to jit/ThunkGenerators.cpp, llint/LowLevelInterpreter32_64.asm, and llint/LowLevelInterpreter64.asm.

CVSS v3 Severity:

9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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): None
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:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)

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): Low

CVSS v2 Severity:

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

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

5.0 Medium (CCN 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 Athentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

Vulnerability Type:

CWE-787

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2017-5949

Source: BID
Type: Third Party Advisory, VDB Entry
97298

Source: CCN
Type: BID-97298
WebKit CVE-2017-5949 Denial of Service Vulnerability

Source: CCN
Type: WebKit Bugzilla Bug 167239
ArityFixup should adjust SP first

Source: CONFIRM
Type: Issue Tracking, Third Party Advisory
https://bugs.webkit.org/show_bug.cgi?id=167239

Source: XF
Type: UNKNOWN
webkit-cve20175949-dos(128647)

Source: CONFIRM
Type: Issue Tracking, Third Party Advisory
https://trac.webkit.org/changeset/211479

Source: CCN
Type: WebKit TracChangeset
Change 211479 WebKit

Vulnerable Configuration:

Configuration 1:

cpe:/a:apple:safari:22:*:*:*:technology_preview:*:*:*

Configuration CCN 1:

cpe:/a:webkit:webkit:*:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.bionic:def:201759490000000	V	CVE-2017-5949 on Ubuntu 18.04 LTS (bionic) - medium.	2017-04-03
oval:com.ubuntu.artful:def:20175949000	V	CVE-2017-5949 on Ubuntu 17.10 (artful) - medium.	2017-04-03
oval:com.ubuntu.trusty:def:20175949000	V	CVE-2017-5949 on Ubuntu 14.04 LTS (trusty) - medium.	2017-04-03
oval:com.ubuntu.xenial:def:201759490000000	V	CVE-2017-5949 on Ubuntu 16.04 LTS (xenial) - medium.	2017-04-03
oval:com.ubuntu.bionic:def:20175949000	V	CVE-2017-5949 on Ubuntu 18.04 LTS (bionic) - medium.	2017-04-03
oval:com.ubuntu.xenial:def:20175949000	V	CVE-2017-5949 on Ubuntu 16.04 LTS (xenial) - medium.	2017-04-03
oval:com.ubuntu.disco:def:201759490000000	V	CVE-2017-5949 on Ubuntu 19.04 (disco) - medium.	2017-04-03
oval:com.ubuntu.cosmic:def:20175949000	V	CVE-2017-5949 on Ubuntu 18.10 (cosmic) - medium.	2017-04-03
oval:com.ubuntu.cosmic:def:201759490000000	V	CVE-2017-5949 on Ubuntu 18.10 (cosmic) - medium.	2017-04-03
oval:com.ubuntu.precise:def:20175949000	V	CVE-2017-5949 on Ubuntu 12.04 LTS (precise) - medium.	2017-04-03

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