unrar-free 0.0.1 Debug Log Mode unrarlib.c memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability was found in unrar-free 0.0.1. It has been declared as critical. This vulnerability affects unknown code in the library unrarlib.c of the component Debug Log Mode. Executing a manipulation can lead to memory corruption. This vulnerability is registered as CVE-2017-11190. The attack needs to be launched locally. No exploit is available.

Detailsinfo

A vulnerability was found in unrar-free 0.0.1. It has been declared as critical. This vulnerability affects some unknown processing in the library unrarlib.c of the component Debug Log Mode. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

unrarlib.c in unrar-free 0.0.1, when _DEBUG_LOG mode is enabled, might allow remote attackers to cause a denial of service (stack-based buffer overflow and application crash) or possibly have unspecified other impact via an RAR archive containing a long filename.

The bug was discovered 07/07/2017. The weakness was published 07/12/2017 (Website). The advisory is shared for download at github.com. This vulnerability was named CVE-2017-11190 since 07/12/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 220465 (Linux Distros Unpatched Vulnerability : CVE-2017-11190), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (220465). Similar entry is available at VDB-103479. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 220465
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2017-11190

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/07/2017 🔍
07/12/2017 +5 days 🔍
07/12/2017 +0 days 🔍
07/12/2017 +0 days 🔍
07/12/2017 +0 days 🔍
03/05/2025 +2792 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2017-11190 (🔍)
GCVE (CVE): GCVE-0-2017-11190
GCVE (VulDB): GCVE-100-103480
See also: 🔍

Entryinfo

Created: 07/12/2017 23:32
Updated: 03/05/2025 00:38
Changes: 07/12/2017 23:32 (57), 10/25/2019 09:49 (1), 03/05/2025 00:38 (17)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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