CVE-2017-1000116: OS Command Injection
First published: Wed Aug 09 2017(Updated: )
Mercurial prior to 4.3 did not adequately sanitize hostnames passed to ssh, leading to possible shell-injection attacks.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/mercurial | <4.3 | 4.3 |
| redhat/mercurial | <4.2.3 | 4.2.3 |
| pip/mercurial | <4.3 | 4.3 |
| Mercurial | <4.3 | |
| Debian Linux | =8.0 | |
| Debian Linux | =9.0 | |
| Red Hat Enterprise Linux Desktop | =7.0 | |
| Red Hat Enterprise Linux Server | =7.0 | |
| Red Hat Enterprise Linux Server | =7.4 | |
| Red Hat Enterprise Linux Server | =7.6 | |
| Red Hat Enterprise Linux Server | =7.4 | |
| Red Hat Enterprise Linux Server | =7.5 | |
| Red Hat Enterprise Linux Server | =7.6 | |
| Red Hat Enterprise Linux Server | =7.4 | |
| Red Hat Enterprise Linux Server | =7.6 | |
| Red Hat Enterprise Linux Workstation | =7.0 |
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Reference Links
- http://www.debian.org/security/2017/dsa-3963
- http://www.securityfocus.com/bid/100290
- https://access.redhat.com/errata/RHSA-2017:2489
- https://security.gentoo.org/glsa/201709-18
- https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.3_.2F_4.3.1_.282017-08-10.29
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1480455
- https://bugzilla.redhat.com/show_bug.cgi?id=1479915
- https://nvd.nist.gov/vuln/detail/CVE-2017-1000116
- https://web.archive.org/web/20200227155758/http://www.securityfocus.com/bid/100290
- https://wiki.mercurial-scm.org/WhatsNew/Archive
- https://github.com/advisories/GHSA-3qmg-c9vc-r47j (Advisory)
- https://github.com/pypa/advisory-database/tree/main/vulns/mercurial/PYSEC-2017-89.yaml
Frequently Asked Questions
What is the severity of CVE-2017-1000116?
CVE-2017-1000116 has a medium severity rating due to the potential for shell-injection attacks.
How do I fix CVE-2017-1000116?
To resolve CVE-2017-1000116, upgrade Mercurial to version 4.3 or later.
Which versions of Mercurial are affected by CVE-2017-1000116?
CVE-2017-1000116 affects Mercurial versions prior to 4.3.
Can CVE-2017-1000116 be exploited through subrepositories?
Yes, CVE-2017-1000116 can be exploited through malicious ssh URL inputs in the .hgsub file.
Is there a workaround for CVE-2017-1000116?
A workaround for CVE-2017-1000116 includes avoiding the use of untrusted .hgsub files until an upgrade can be performed.
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