zlib 1.2.8 inflate.c inflateMark numeric error

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in zlib 1.2.8. Affected is the function inflateMark in the library zlib of the file inflate.c. Executing a manipulation can lead to numeric error. This vulnerability is registered as CVE-2016-9842. It is possible to launch the attack remotely. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in zlib 1.2.8 and classified as problematic. This vulnerability affects the function inflateMark in the library zlib of the file inflate.c. The manipulation with an unknown input leads to a numeric error vulnerability. The CWE definition for the vulnerability is CWE-189. As an impact it is known to affect availability. CVE summarizes:

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 published 05/23/2017 with Trail of Bits/TrustInSoft (oss-sec). The advisory is available at openwall.com. This vulnerability was named CVE-2016-9842 since 12/05/2016. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 49 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 96691 (GLSA-201701-56 : zlib: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo 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 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (96691) and SecurityFocus (BID 95131†). Similar entries are available at VDB-101648, VDB-101649, VDB-101651 and VDB-104096. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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: 96691
Nessus Name: GLSA-201701-56 : zlib: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802684
OpenVAS Name: IBM Tivoli Entpoint Manager Multiple Vulnerabilities July17
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

12/04/2016 🔍
12/05/2016 +1 days 🔍
12/05/2016 +0 days 🔍
01/23/2017 +49 days 🔍
01/23/2017 +0 days 🔍
05/23/2017 +120 days 🔍
05/23/2017 +0 days 🔍
05/23/2017 +0 days 🔍
08/28/2024 +2654 days 🔍

Sourcesinfo

Advisory: RHSA-2017:1220
Researcher: Trail
Organization: Trail of Bits/TrustInSoft
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-9842 (🔍)
GCVE (CVE): GCVE-0-2016-9842
GCVE (VulDB): GCVE-100-101650

OVAL: 🔍

SecurityFocus: 95131 - zlib Multiple Denial of Service Vulnerabilities
OSVDB: - CVE-2016-9842 - zlib - Denial of Service Issue
SecurityTracker: 1039427

See also: 🔍

Entryinfo

Created: 05/23/2017 12:45
Updated: 08/28/2024 18:15
Changes: 05/23/2017 12:45 (77), 10/02/2020 09:31 (5), 12/25/2020 14:18 (2), 12/25/2020 14:22 (1), 12/07/2022 08:39 (4), 08/28/2024 18:15 (15)
Complete: 🔍
Cache ID: 216:DE2:103

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