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 described as problematic has been identified in ZZIPlib 0.13.62. Affected by this vulnerability is the function zzip_mem_entry_extra_block of the file memdisk.c of the component ZIP Archive Handler. Executing a manipulation can lead to out-of-bounds. This vulnerability appears as CVE-2017-5977. The attack requires local access. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in ZZIPlib 0.13.62 and classified as problematic. This vulnerability affects the function zzip_mem_entry_extra_block of the file memdisk.c of the component ZIP Archive Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect availability. CVE summarizes:

The zzip_mem_entry_extra_block function in memdisk.c in zziplib 0.13.62 allows remote attackers to cause a denial of service (invalid memory read and crash) via a crafted ZIP file.

The bug was discovered 03/01/2017. The weakness was presented 03/01/2017 by Agostino Sarubbo with Gentoo (oss-sec). The advisory is available at openwall.com. This vulnerability was named CVE-2017-5977 since 02/13/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 99653 (SUSE SLED12 Security Update : zziplib (SUSE-SU-2017:1095-1)), 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 169949 (SUSE Enterprise Linux Security Update for zziplib (SUSE-SU-2017:1095-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (99653) and SecurityFocus (BID 96268†). See VDB-97435, VDB-97436, VDB-97437 and VDB-97439 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

• ZZIPlib

Version

• 0.13.62

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / 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

Nessus ID: 99653
Nessus Name: SUSE SLED12 Security Update : zziplib (SUSE-SU-2017:1095-1)
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

02/09/2017 🔍
02/13/2017 +4 days 🔍
03/01/2017 +16 days 🔍
03/01/2017 +0 days 🔍
03/01/2017 +0 days 🔍
03/02/2017 +1 days 🔍
04/24/2017 +53 days 🔍
04/25/2017 +1 days 🔍
07/10/2025 +2998 days 🔍

Sourcesinfo

Advisory: openwall.com
Researcher: Agostino Sarubbo
Organization: Gentoo
Status: Confirmed

CVE: CVE-2017-5977 (🔍)
GCVE (CVE): GCVE-0-2017-5977
GCVE (VulDB): GCVE-100-97438
SecurityFocus: 96268 - ZZIPlib Multiple Heap Buffer Overflow and Denial of Service Vulnerabilites
OSVDB: - CVE-2017-5977 - zziplib - Denial of Service Issue

See also: 🔍

Entryinfo

Created: 03/02/2017 10:05
Updated: 07/10/2025 18:08
Changes: 03/02/2017 10:05 (73), 09/03/2020 12:23 (8), 07/10/2025 18:08 (20)
Complete: 🔍
Cache ID: 216:544:103

Discussion

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