Symantec Endpoint Protection up to 14.2 Log File link following
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.5 | $0-$5k | 0.00 |
A vulnerability classified as critical has been found in Symantec Endpoint Protection up to 14.2 (Anti-Malware Software). Affected is an unknown functionality of the component Log File Handler. The manipulation with an unknown input leads to a link following vulnerability. CWE is classifying the issue as CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
Symantec Endpoint Protection, prior to 14.3, may not respect file permissions when writing to log files that are replaced by symbolic links, which can lead to a potential elevation of privilege.
The weakness was released 05/11/2020 as SYMSA1762 (Website). The advisory is shared for download at support.broadcom.com. This vulnerability is traded as CVE-2020-5837 since 01/06/2020. The attack needs to be approached locally. The successful exploitation needs a authentication. There are neither technical details nor an exploit publicly available.
Upgrading to version 14.3 eliminates this vulnerability.
Product
Type
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: 7.8VulDB Meta Temp Score: 7.7
VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
Vendor Base Score (Symantec): 7.8
Vendor Vector (Symantec): 🔍
NVD Base Score: 7.8
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: Link followingCWE: CWE-59
CAPEC: 🔍
ATT&CK: 🔍
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: Endpoint Protection 14.3
Timeline
01/06/2020 🔍05/11/2020 🔍
05/12/2020 🔍
05/12/2020 🔍
Sources
Vendor: symantec.comAdvisory: SYMSA1762
Status: Confirmed
CVE: CVE-2020-5837 (🔍)
Entry
Created: 05/12/2020 08:07Updated: 05/12/2020 08:12
Changes: 05/12/2020 08:07 (51), 05/12/2020 08:12 (18)
Complete: 🔍
Cache ID: 13:1C6:103
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