VDB-125361 · CVE-2018-18384 · RHSA-2019:2159

Info-ZIP UnZIP 6.0 ZIP Archive list.c memory corruption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Info-ZIP UnZIP 6.0. It has been classified as critical. Impacted is an unknown function of the file list.c of the component ZIP Archive Handler. Performing a manipulation results in memory corruption. This vulnerability is identified as CVE-2018-18384. The attack is only possible with local access. There is not any exploit available.

Detailsinfo

A vulnerability classified as critical has been found in Info-ZIP UnZIP 6.0. This affects an unknown code block of the file list.c of the component ZIP Archive Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Info-ZIP UnZip 6.0 has a buffer overflow in list.c, when a ZIP archive has a crafted relationship between the compressed-size value and the uncompressed-size value, because a buffer size is 10 and is supposed to be 12.

The bug was discovered 10/16/2018. The weakness was released 10/16/2018 (Website). The advisory is shared at bugzilla.suse.com. This vulnerability is uniquely identified as CVE-2018-18384 since 10/16/2018. 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. Technical details are known, but no exploit is available.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 172237 (OpenSUSE Security Update for unzip (openSUSE-SU-2019:1117-1)).

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

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

Productinfo

Vendor

Info-ZIP

Name

UnZIP

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

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

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/16/2018 🔍
10/16/2018 +0 days 🔍
10/16/2018 +0 days 🔍
10/16/2018 +0 days 🔍
10/17/2018 +1 days 🔍
05/25/2023 +1681 days 🔍

Sourcesinfo

Advisory: RHSA-2019:2159
Status: Not defined

CVE: CVE-2018-18384 (🔍)
GCVE (CVE): GCVE-0-2018-18384
GCVE (VulDB): GCVE-100-125361

Entryinfo

Created: 10/17/2018 06:51
Updated: 05/25/2023 14:56
Changes: 10/17/2018 06:51 (58), 04/02/2020 16:29 (1), 05/25/2023 14:56 (3)
Complete: 🔍
Cache ID: 216::103