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 labeled as problematic has been found in Apple macOS up to 10.12.3. Affected is an unknown function of the component tiffutil. The manipulation results in out-of-bounds write. This vulnerability is cataloged as CVE-2016-9540. The attack may be launched remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Apple macOS up to 10.12.3 (Operating System). Affected is an unknown part 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:

tools/tiffcp.c in libtiff 4.0.6 has an out-of-bounds write on tiled images with odd tile width versus image width. Reported as MSVR 35103, aka "cpStripToTile heap-buffer-overflow."

The bug was discovered 11/22/2016. The weakness was shared 03/27/2017 as HT207615 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2016-9540 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. There are neither technical details nor an exploit publicly 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†). The entries VDB-93746, VDB-93747, VDB-93748 and VDB-93749 are related to this item. Once again VulDB remains the best source for vulnerability data.

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-2016-9540 (🔍)
GCVE (CVE): GCVE-0-2016-9540
GCVE (VulDB): GCVE-100-98724

OVAL: 🔍

SecurityFocus: 94484 - RETIRED: LibTIFF Multiple Security Vulnerabilites
OSVDB: - CVE-2016-9540 - libtiff - Out-of-Bounds Write Issue

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

Entryinfo

Created: 03/28/2017 11:27
Updated: 11/20/2022 15:03
Changes: 03/28/2017 11:27 (80), 08/21/2020 16:39 (6), 11/20/2022 15:03 (4)
Complete: 🔍
Cache ID: 216::103

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