CVE-2017-1000116: Mercurial prior to 4.3 did not adequately sanitize hostnames passed to ssh, leading to possible shell-injection attacks

Critical severity · published Oct 5, 2017

CVE-2017-1000116

Mercurial prior to 4.3 did not adequately sanitize hostnames passed to ssh, leading to possible shell-injection attacks

9.8

CVSS

6.4%

EPSS

On KEV

Description

Mercurial prior to 4.3 did not adequately sanitize hostnames passed to ssh, leading to possible shell-injection attacks.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack vector

Network

Complexity

Low

Privileges

None

User interaction

None

Confidentiality

High

Integrity

High

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)6.4% · higher than 94% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Debian Linux · Debian

8.0; 9.0 · source: NVD

Enterprise Linux Desktop · Redhat

7.0 · source: NVD

Enterprise Linux Server · Redhat

7.0 · source: NVD

Enterprise Linux Server Aus · Redhat

7.4; 7.6 · source: NVD

Enterprise Linux Server Eus · Redhat

7.4; 7.5; 7.6 · source: NVD

Enterprise Linux Server Tus · Redhat

7.4; 7.6 · source: NVD

Enterprise Linux Workstation · Redhat

7.0 · source: NVD

Mercurial · Mercurial

before 4.3 · source: NVD

Affected product

Debian Linux

Debian

All Debian Linux CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2017-1000116

CVE.org

https://www.cve.org/CVERecord?id=CVE-2017-1000116

Third Party Advisory

http://www.debian.org/security/2017/dsa-3963

Third Party Advisory

http://www.securityfocus.com/bid/100290

Third Party Advisory

https://access.redhat.com/errata/RHSA-2017:2489

Patch

https://security.gentoo.org/glsa/201709-18

Release Notes

https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.3_.2F_4.3.1_.282017-08-10.29