Apple iOS up to 10.3.3 zlib numeric error

CVSS Meta Temp Score
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CTI Interest Score
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8.6$5k-$25k0.00

Summaryinfo

A vulnerability classified as very critical has been found in Apple iOS up to 10.3.3. Impacted is an unknown function of the component zlib. The manipulation leads to numeric error. This vulnerability is listed as CVE-2016-9842. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in Apple iOS up to 10.3.3 (Smartphone Operating System). This issue affects some unknown processing of the component zlib. The manipulation with an unknown input leads to a numeric error vulnerability. Using CWE to declare the problem leads to CWE-189. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The inflateMark function in inflate.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact via vectors involving left shifts of negative integers.

The bug was discovered 12/05/2016. The weakness was presented 09/25/2017 as HT208112 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2016-9842 since 12/05/2016. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 08/28/2024). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

Multiple issues were addressed by updating to version 1.2.11.

The vulnerability was handled as a non-public zero-day exploit for at least 169 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 100378 (SUSE SLES11 Security Update : java-1_7_1-ibm (SUSE-SU-2017:1387-1)), 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 371397 (IBM Cognos Business Intelligence Multiple Security Vulnerabilities(swg22014202)).

Upgrading to version 11 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 (100378) and SecurityFocus (BID 95131†). See VDB-21337, VDB-63776, VDB-90671 and VDB-96545 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.6

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
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: 100378
Nessus Name: SUSE SLES11 Security Update : java-1_7_1-ibm (SUSE-SU-2017:1387-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-HT208144
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: iOS 11
Patch: github.com

Timelineinfo

12/04/2016 🔍
12/05/2016 +1 days 🔍
12/05/2016 +0 days 🔍
05/23/2017 +168 days 🔍
05/24/2017 +1 days 🔍
09/25/2017 +124 days 🔍
09/25/2017 +0 days 🔍
10/23/2017 +28 days 🔍
08/28/2024 +2501 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208112
Researcher: Trail
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-9842 (🔍)
GCVE (CVE): GCVE-0-2016-9842
GCVE (VulDB): GCVE-100-108443

OVAL: 🔍

SecurityFocus: 95131 - zlib Multiple Denial of Service Vulnerabilities
SecurityTracker: 1039427

scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 10/23/2017 11:27
Updated: 08/28/2024 18:15
Changes: 10/23/2017 11:27 (80), 11/29/2019 13:37 (5), 01/19/2021 19:41 (2), 01/19/2021 19:47 (1), 01/04/2023 11:51 (3), 08/28/2024 18:15 (15)
Complete: 🔍
Cache ID: 216:4D3:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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