WinSparkle up to 0.5.2 Executable File Loading untrusted search path
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.4 | $0-$5k | 0.00 |
A vulnerability classified as problematic was found in WinSparkle up to 0.5.2. This vulnerability affects an unknown part of the component Executable File Loading. 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. CVE summarizes:
Untrusted search path vulnerability in WinSparkle versions prior to 0.5.3 allows remote attackers to execute arbitrary code via a specially crafted executable file in an unspecified directory.
The bug was discovered 12/26/2016. The weakness was released 06/09/2017 with Mitsui Bussan Secure Directions, Inc. (Website). The advisory is shared for download at jvn.jp. This vulnerability was named CVE-2016-7838 since 09/09/2016. The attack needs to be approached locally. A single authentication is necessary for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1574.
The vulnerability was handled as a non-public zero-day exploit for at least 165 days. During that time the estimated underground price was around $0-$5k.
Upgrading to version 0.5.3 eliminates this vulnerability.
Product
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.5VulDB Meta Temp Score: 6.4
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CVSSv2
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: 🔍
Exploiting
Class: Untrusted search pathCWE: CWE-426
ATT&CK: T1574
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: WinSparkle 0.5.3
Patch: github.com
Timeline
09/09/2016 🔍12/26/2016 🔍
12/26/2016 🔍
06/09/2017 🔍
06/09/2017 🔍
06/10/2017 🔍
12/08/2022 🔍
Sources
Advisory: bb454857348245a7397f9e4fbb3a902f4ac25913Researcher: Takashi Yoshikawa
Organization: Mitsui Bussan Secure Directions, Inc.
Status: Not defined
Confirmation: 🔍
CVE: CVE-2016-7838 (🔍)
SecurityFocus: 95099 - WinSparkle CVE-2016-7838 Remote Security Bypass Vulnerability
Entry
Created: 06/10/2017 08:56Updated: 12/08/2022 10:50
Changes: 06/10/2017 08:56 (61), 10/15/2019 20:15 (4), 12/26/2020 19:00 (2), 12/08/2022 10:50 (4)
Complete: 🔍
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