Apple macOS up to 10.12.2 libarchive memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Apple macOS up to 10.12.2. Affected is an unknown function of the component libarchive. The manipulation results in memory corruption. This vulnerability is reported as CVE-2016-8687. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, was found in Apple macOS up to 10.12.2 (Operating System). Affected is an unknown part of the component libarchive. 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 confidentiality, integrity, and availability. CVE summarizes:

Stack-based buffer overflow in the safe_fprintf function in tar/util.c in libarchive 3.2.1 allows remote attackers to cause a denial of service via a crafted non-printable multibyte character in a filename.

The bug was discovered 01/23/2017. The weakness was disclosed 01/23/2017 by Agostino Sarubbo with Gentoo as HT207483 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2016-8687 since 10/15/2016. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The advisory points out:

A buffer overflow issue was addressed through improved memory handling.

The vulnerability scanner Nessus provides a plugin with the ID 95367 (SUSE SLED12 / SLES12 Security Update : libarchive (SUSE-SU-2016:2911-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176840 (Debian Security Update for libarchive (DLA 1600-1)).

Upgrading to version 10.12.3 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (95367) and SecurityFocus (BID 93781†). The entries VDB-90247, VDB-91754, VDB-91826 and VDB-91827 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.7

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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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: 🔍

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Nessus ID: 95367
Nessus Name: SUSE SLED12 / SLES12 Security Update : libarchive (SUSE-SU-2016:2911-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 57947
OpenVAS Name: Fedora Update for mingw-libarchive FEDORA-2016-dd2aa2b4a9
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: macOS 10.12.3
Patch: github.com

Timelineinfo

10/15/2016 🔍
10/15/2016 +0 days 🔍
11/28/2016 +44 days 🔍
01/23/2017 +56 days 🔍
01/23/2017 +0 days 🔍
01/23/2017 +0 days 🔍
01/25/2017 +2 days 🔍
02/15/2017 +21 days 🔍
11/03/2022 +2087 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207483
Researcher: Agostino Sarubbo
Organization: Gentoo
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-8687 (🔍)
GCVE (CVE): GCVE-0-2016-8687
GCVE (VulDB): GCVE-100-95952
SecurityFocus: 93781 - libarchive Multiple Security Vulnerabilities
OSVDB: - CVE-2016-8687 - libarchive - Buffer Overflow Issue
SecurityTracker: 1037668

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

Entryinfo

Created: 01/25/2017 11:41
Updated: 11/03/2022 17:14
Changes: 01/25/2017 11:41 (81), 07/31/2020 12:21 (6), 11/03/2022 17:14 (4)
Complete: 🔍
Cache ID: 216::103

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