Philips ISCV up to 2.2.x Session Expiration session expiration
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.5 | $0-$5k | 0.00 |
A vulnerability was found in Philips ISCV up to 2.2.x. It has been rated as critical. This issue affects an unknown function of the component Session Expiration. The manipulation with an unknown input leads to a session expiration vulnerability. Using CWE to declare the problem leads to CWE-613. According to WASC, "Insufficient Session Expiration is when a web site permits an attacker to reuse old session credentials or session IDs for authorization." Impacted is confidentiality, integrity, and availability. The summary by CVE is:
Philips ISCV application prior to version 2.3.0 has an insufficient session expiration vulnerability where an attacker could reuse the session of a previously logged in user. This vulnerability exists when using ISCV together with an Electronic Medical Record (EMR) system, where ISCV is in KIOSK mode for multiple users and using Windows authentication. This may allow an attacker to gain unauthorized access to patient health information and potentially modify this information.
The bug was discovered 01/25/2018. The weakness was released 03/20/2018 (Website). The advisory is shared at usa.philips.com. The identification of this vulnerability is CVE-2018-5438 since 01/12/2018. An attack has to be approached locally. The successful exploitation requires a simple authentication. Neither technical details nor an exploit are publicly available.
The vulnerability was handled as a non-public zero-day exploit for at least 54 days. During that time the estimated underground price was around $0-$5k.
Upgrading to version 2.3.0 eliminates this vulnerability.
Entries connected to this vulnerability are available at 109655, 115070, 115071 and 115073.
Product
Vendor
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: 5.8VulDB Meta Temp Score: 5.7
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.3
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: Session expirationCWE: CWE-613
ATT&CK: Unknown
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: ISCV 2.3.0
Timeline
01/12/2018 🔍01/25/2018 🔍
01/25/2018 🔍
03/20/2018 🔍
03/20/2018 🔍
03/21/2018 🔍
01/15/2020 🔍
Sources
Vendor: philips.chAdvisory: usa.philips.com
Status: Not defined
Confirmation: 🔍
CVE: CVE-2018-5438 (🔍)
SecurityFocus: 102847 - Philips IntelliSpace Cardiovascular CVE-2018-5438 Local Security Bypass Vulnerability
See also: 🔍
Entry
Created: 03/21/2018 09:11Updated: 01/15/2020 10:02
Changes: 03/21/2018 09:11 (62), 01/15/2020 10:02 (4)
Complete: 🔍
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