Vulnerability CVE-2017-13849

Vulnerability Name:

CVE-2017-13849 (CCN-134588)

Assigned:

2017-10-31

Published:

2017-10-31

Updated:

2019-03-08

Summary:

An issue was discovered in certain Apple products. iOS before 11.1 is affected. tvOS before 11.1 is affected. watchOS before 4.1 is affected. The issue involves the "CoreText" component. It allows remote attackers to cause a denial of service (application crash) via a crafted text file.

CVSS v3 Severity:

5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
4.8 Medium (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: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): High

6.5 Medium (CCN 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 (CCN 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

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

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

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

Vulnerability Type:

CWE-20

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2017-13849

Source: BID
Type: Third Party Advisory, VDB Entry
101691

Source: CCN
Type: BID-101691
Apple iOS/WatchOS/tvOS CVE-2017-13849 Denial of Service Vulnerability

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1039703

Source: XF
Type: UNKNOWN
apple-tvos-cve201713849-dos(134588)

Source: CCN
Type: Apple security document HT208219
About the security content of tvOS 11.1

Source: CCN
Type: Apple security document HT208222
About the security content of iOS 11.1

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT208219

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT208220

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT208222

Source: EXPLOIT-DB
Type: EXPLOIT
Offensive Security Exploit Database [11-20-2017]

Source: EXPLOIT-DB
Type: Exploit, Third Party Advisory, VDB Entry
43161

Vulnerable Configuration:

Configuration 1:

cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version < 11.1)

OR cpe:/o:apple:tvos:*:*:*:*:*:*:*:* (Version < 11.1)

OR cpe:/o:apple:watchos:*:*:*:*:*:*:*:* (Version < 4.1)

Configuration CCN 1:

cpe:/o:apple:tvos:11.0:*:*:*:*:*:*:*

Denotes that component is vulnerable

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