CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.4 | $0-$5k | 0.00 |
A vulnerability classified as critical was found in WeChat Pay Java SDK (Programming Language Software) (version now known). This vulnerability affects some unknown processing of the component WXPayUtil. The manipulation with an unknown input leads to a xml external entity reference vulnerability. The CWE definition for the vulnerability is CWE-611. The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
WXPayUtil in WeChat Pay Java SDK allows XXE attacks involving a merchant notification URL.
The bug was discovered 07/02/2018. The weakness was shared 07/08/2018 (Website). The advisory is available at packetstormsecurity.com. This vulnerability was named CVE-2018-13439 since 07/08/2018. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.
The vulnerability was handled as a non-public zero-day exploit for at least 6 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.
Product
Type
Name
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.4VulDB Meta Temp Score: 7.4
VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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: Xml external entity referenceCWE: CWE-611 / CWE-610
ATT&CK: Unknown
Local: No
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 |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
07/02/2018 🔍07/08/2018 🔍
07/08/2018 🔍
07/08/2018 🔍
07/09/2018 🔍
04/05/2023 🔍
Sources
Advisory: 148390Status: Not defined
CVE: CVE-2018-13439 (🔍)
Entry
Created: 07/09/2018 10:11Updated: 04/05/2023 09:21
Changes: 07/09/2018 10:11 (55), 02/26/2020 17:51 (1), 04/05/2023 09:21 (3)
Complete: 🔍
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