Apple macOS up to 10.12.3 libxslt memory corruption

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.4$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Apple macOS up to 10.12.3. Impacted is an unknown function of the component libxslt. Performing a manipulation results in memory corruption. This vulnerability is cataloged as CVE-2017-2477. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple macOS up to 10.12.3 (Operating System). It has been classified as problematic. This affects an unknown code of the component libxslt. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on availability. The summary by CVE is:

An issue was discovered in certain Apple products. macOS before 10.12.4 is affected. The issue involves the "libxslt" component. It allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via unknown vectors.

The bug was discovered 03/30/2017. The weakness was shared 04/02/2017 with Apple (Website). It is possible to read the advisory at support.apple.com. This vulnerability is uniquely identified as CVE-2017-2477 since 12/01/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 99135 (Mac OS X Multiple Vulnerabilities (Security Update 2017-001), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370348 (Apple Mac OS X Security Update Sierra 10.12.4, El Capitan 2017-001 and Yosemite 2017-001 Not Installed (APPLE-SA-2017-03-27-3)).

Upgrading to version 10.12.4 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (99135) and SecurityFocus (BID 97303†). The entries VDB-98611, VDB-98612, VDB-98615 and VDB-98616 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 99135
Nessus Name: Mac OS X Multiple Vulnerabilities (Security Update 2017-001
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-HT207615
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: macOS 10.12.4

Timelineinfo

12/01/2016 🔍
03/27/2017 +116 days 🔍
03/30/2017 +3 days 🔍
03/30/2017 +0 days 🔍
03/31/2017 +1 days 🔍
04/01/2017 +1 days 🔍
04/02/2017 +1 days 🔍
04/02/2017 +0 days 🔍
11/02/2024 +2771 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Organization: Apple
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-2477 (🔍)
GCVE (CVE): GCVE-0-2017-2477
GCVE (VulDB): GCVE-100-99159
SecurityFocus: 97303 - Apple macOS CVE-2017-2477 Multiple Memory Corruption Vulnerabilities
OSVDB: - CVE-2017-2477 - Apple - Multiple Products - Memory Corruption Issue

scip Labs: https://www.scip.ch/en/?labs.20180712
See also: 🔍

Entryinfo

Created: 04/02/2017 13:37
Updated: 11/02/2024 13:36
Changes: 04/02/2017 13:37 (74), 08/24/2020 17:14 (7), 11/02/2024 13:36 (21)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!