Very High
CVE-2020-10977
CVE ID
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CVE-2020-10977
MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Topic Tags
Description
GitLab EE/CE 8.5 to 12.9 is vulnerable to a an path traversal when moving an issue between projects.
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Ratings
-
Attacker ValueVery High
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ExploitabilityVery High
Technical Analysis
Requires authentication but after that it’s a couple of easy hops to get to admin – and with that: pillage secrets, deploy additional backdoor, pillage secrets, review code for additional vulnerabilities. Game over.
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Attacker ValueHigh
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ExploitabilityMedium
Technical Analysis
@zeroSteiner pointed us to this exploit chain today: https://twitter.com/CasvCooten/status/1270374273849401346. It uses CVE-2020-10535 to satisfy the authentication requirement. Note that https://hackerone.com/reports/827052 already explains the path to RCE. We actually already have a Rails secret deserialization exploit, so “weaponizing” the exploit chain is possible. @adfoster-r7 has pointed out that GitLab requires a signed cookie, so this module will not work.
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General Information
Vendors
- gitlab
Products
- gitlab
References
Additional Info
Technical Analysis
Report as Emergent Threat Response
Report as Exploited in the Wild
CVE ID
AttackerKB requires a CVE ID in order to pull vulnerability data and references from the CVE list and the National Vulnerability Database. If available, please supply below: