VDB-100669 · CVE-2017-2107 · BID 96431

7-ZIP32.DLL up to 9.22.00.01 Archive File untrusted search path

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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.
6.5$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in 7-ZIP32.DLL up to 9.22.00.01. This affects an unknown function of the component Archive File Handler. This manipulation causes untrusted search path. The identification of this vulnerability is CVE-2017-2107. The attack can only be executed locally. There is no exploit available.

Detailsinfo

A vulnerability has been found in 7-ZIP32.DLL up to 9.22.00.01 (File Compression Software) and classified as problematic. Affected by this vulnerability is some unknown functionality of the component Archive File Handler. The manipulation with an unknown input leads to a untrusted search path vulnerability. The CWE definition for the vulnerability is CWE-426. The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Untrusted search path vulnerability in Self-extracting archive files created by 7-ZIP32.DLL 9.22.00.01 and earlier allows remote attackers to gain privileges via a Trojan horse DLL in an unspecified directory.

The bug was discovered 02/17/2017. The weakness was shared 04/28/2017 (Website). The advisory is shared at jvn.jp. This vulnerability is known as CVE-2017-2107 since 12/01/2016. An attack has to be approached locally. A single authentication is required for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1574 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 70 days. During that time the estimated underground price was around $0-$5k.

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 SecurityFocus (BID 96431†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

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

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Untrusted search path
CWE: CWE-426
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/01/2016 🔍
02/17/2017 +78 days 🔍
02/20/2017 +3 days 🔍
04/28/2017 +67 days 🔍
04/28/2017 +0 days 🔍
04/28/2017 +0 days 🔍
12/21/2020 +1333 days 🔍

Sourcesinfo

Advisory: jvn.jp
Researcher: Eili Masami
Status: Not defined

CVE: CVE-2017-2107 (🔍)
GCVE (CVE): GCVE-0-2017-2107
GCVE (VulDB): GCVE-100-100669
SecurityFocus: 96431 - 7-ZIP32.DLL CVE-2017-2107 DLL Loading Remote Code Execution Vulnerability
OSVDB: - CVE-2017-2107 - Akky - 7-Zip32.Dll - Medium

Entryinfo

Created: 04/28/2017 23:47
Updated: 12/21/2020 17:29
Changes: 04/28/2017 23:47 (59), 09/21/2020 20:16 (4), 12/21/2020 17:29 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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