Apple macOS up to 10.12.3 tiffutil out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple macOS up to 10.12.3 and classified as problematic. This issue affects some unknown processing of the component tiffutil. The manipulation results in out-of-bounds write. This vulnerability was named CVE-2016-9533. The attack may be performed from remote. There is no available exploit. 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. Affected is an unknown code of the component tiffutil. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on availability. CVE summarizes:

tif_pixarlog.c in libtiff 4.0.6 has out-of-bounds write vulnerabilities in heap allocated buffers. Reported as MSVR 35094, aka "PixarLog horizontalDifference heap-buffer-overflow."

The bug was discovered 11/22/2016. The weakness was presented 03/27/2017 as HT207615 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability is traded as CVE-2016-9533 since 11/21/2016. 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. The technical details are unknown and an exploit is not available. The advisory points out:

An out-of-bound read existed in LibTIFF versions before 4.0.7. This was addressed by updating LibTIFF in AKCmds to version 4.0.7.

The vulnerability scanner Nessus provides a plugin with the ID 97554 (Amazon Linux AMI : libtiff / compat-libtiff3 (ALAS-2017-802)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 157373 (Oracle Enterprise Linux Security Update for libtiff (ELSA-2017-0225)).

Upgrading to version 10.12.4 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 (97554) and SecurityFocus (BID 94484†). See VDB-93746, VDB-93747, VDB-93748 and VDB-93749 for similar entries. 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: 7.1
VulDB Meta Temp Score: 6.9

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / 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: 97554
Nessus Name: Amazon Linux AMI : libtiff / compat-libtiff3 (ALAS-2017-802)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 800864
OpenVAS Name: CentOS Update for libtiff CESA-2017:0225 centos6
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 10.12.4
Patch: github.com

Timelineinfo

11/21/2016 🔍
11/22/2016 +1 days 🔍
11/22/2016 +0 days 🔍
11/22/2016 +0 days 🔍
03/07/2017 +105 days 🔍
03/27/2017 +20 days 🔍
03/27/2017 +0 days 🔍
03/28/2017 +1 days 🔍
11/20/2022 +2063 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207615
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-9533 (🔍)
GCVE (CVE): GCVE-0-2016-9533
GCVE (VulDB): GCVE-100-98718

OVAL: 🔍

SecurityFocus: 94484 - RETIRED: LibTIFF Multiple Security Vulnerabilites
OSVDB: - CVE-2016-9533 - libtiff - Buffer Overflow Issue

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

Entryinfo

Created: 03/28/2017 11:27
Updated: 11/20/2022 14:47
Changes: 03/28/2017 11:27 (80), 08/21/2020 16:19 (6), 11/20/2022 14:47 (4)
Complete: 🔍
Cache ID: 216:2B2:103

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