VDB-114148 · CVE-2018-7727 · RHSA-2018:3229

ZZIPlib 0.13.68 memdisk.c zzip_mem_disk_new 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.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in ZZIPlib 0.13.68. It has been declared as problematic. Affected by this issue is the function zzip_mem_disk_new of the file memdisk.c. Executing a manipulation can lead to memory corruption. This vulnerability appears as CVE-2018-7727. The attack may be performed from remote. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in ZZIPlib 0.13.68. This vulnerability affects the function zzip_mem_disk_new of the file memdisk.c. 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 availability. CVE summarizes:

An issue was discovered in ZZIPlib 0.13.68. There is a memory leak triggered in the function zzip_mem_disk_new in memdisk.c, which will lead to a denial of service attack.

The bug was discovered 03/06/2018. The weakness was presented 03/06/2018 (Website). The advisory is shared for download at github.com. This vulnerability was named CVE-2018-7727 since 03/06/2018. 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 scanner Nessus provides a plugin with the ID 119912 (EulerOS 2.0 SP2 : zziplib (EulerOS-SA-2018-1423)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Huawei Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 237022 (Red Hat Update for zziplib (RHSA-2018:3229)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 11 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (119912). See VDB-114146 and VDB-114147 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

ZZIPlib

Version

0.13.68

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Nessus ID: 119912
Nessus Name: EulerOS 2.0 SP2 : zziplib (EulerOS-SA-2018-1423)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

03/06/2018 🔍
03/06/2018 +0 days 🔍
03/06/2018 +0 days 🔍
03/06/2018 +0 days 🔍
03/07/2018 +1 days 🔍
12/21/2018 +289 days 🔍
12/28/2018 +7 days 🔍
07/10/2025 +2386 days 🔍

Sourcesinfo

Advisory: RHSA-2018:3229
Status: Confirmed

CVE: CVE-2018-7727 (🔍)
GCVE (CVE): GCVE-0-2018-7727
GCVE (VulDB): GCVE-100-114148
See also: 🔍

Entryinfo

Created: 03/07/2018 08:03
Updated: 07/10/2025 18:47
Changes: 03/07/2018 08:03 (63), 01/10/2020 16:43 (10), 02/17/2023 09:01 (4), 07/10/2025 18:47 (16)
Complete: 🔍
Cache ID: 216::103