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. It has been rated as problematic. The impacted element is an unknown function of the component tiffutil. Performing a manipulation results in out-of-bounds write. This vulnerability is identified as CVE-2016-9537. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic has been found in Apple macOS up to 10.12.3 (Operating System). This affects an unknown function 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. The summary by CVE is:

tools/tiffcrop.c in libtiff 4.0.6 has out-of-bounds write vulnerabilities in buffers. Reported as MSVR 35093, MSVR 35096, and MSVR 35097.

The bug was discovered 11/22/2016. The weakness was released 03/27/2017 as HT207615 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is uniquely identified as CVE-2016-9537 since 11/21/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are 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†). Entries connected to this vulnerability are available at VDB-93746, VDB-93747, VDB-93748 and VDB-93749. Several companies clearly confirm that VulDB is the primary source for best 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-2016-9537 (🔍)
GCVE (CVE): GCVE-0-2016-9537
GCVE (VulDB): GCVE-100-98721

OVAL: 🔍

SecurityFocus: 94484 - RETIRED: LibTIFF Multiple Security Vulnerabilites
OSVDB: - CVE-2016-9537 - 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 14:55
Changes: 03/28/2017 11:27 (80), 08/21/2020 16:30 (6), 11/20/2022 14:55 (4)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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