Shell-injection Vulnerability in Mercurial by Software Freedom Conservancy
CVE-2017-1000116

9.8CRITICAL

Key Information:

Vendor

Mercurial

Status
Mercurial
Vendor
CVE Published:
5 October 2017

What is CVE-2017-1000116?

Mercurial versions prior to 4.3 contain a vulnerability that arises from inadequate sanitization of hostnames input into the SSH command line. This security flaw can be exploited to launch shell-injection attacks, allowing an attacker to execute arbitrary shell commands on the host system. Users of affected versions are strongly advised to upgrade to version 4.3 or later to mitigate this risk. For further details and advisories, refer to the official documentation and security notifications from associated vendors.

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References

https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.3...
x_refsource_CONFIRM
http://www.securityfocus.com/bid/100290
vdb-entryx_refsource_BID
http://www.debian.org/security/2017/dsa-3963
vendor-advisoryx_refsource_DEBIAN

EPSS Score

5% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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