CVE-2017-1000115
First published: Thu Aug 10 2017(Updated: )
Mercurial prior to version 4.3 is vulnerable to a missing symlink check that can malicious repositories to modify files outside the repository
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 | <4.3.1 | 4.3.1 |
| 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=1480454
- https://bugzilla.redhat.com/show_bug.cgi?id=1480330
- https://nvd.nist.gov/vuln/detail/CVE-2017-1000115
- https://web.archive.org/web/20200227155758/http://www.securityfocus.com/bid/100290
- https://github.com/advisories/GHSA-hvr9-wr9p-grgr (Advisory)
- https://github.com/pypa/advisory-database/tree/main/vulns/mercurial/PYSEC-2017-88.yaml
Frequently Asked Questions
What is the severity of CVE-2017-1000115?
CVE-2017-1000115 is classified as a moderate severity vulnerability due to the potential for unintended file modifications in malicious repositories.
How do I fix CVE-2017-1000115?
To fix CVE-2017-1000115, update Mercurial to version 4.3 or later, or to version 4.2.3 if using an older release.
What systems are affected by CVE-2017-1000115?
CVE-2017-1000115 affects Mercurial versions prior to 4.3 on various Linux distributions including Red Hat and Debian.
What type of attack can CVE-2017-1000115 enable?
CVE-2017-1000115 can allow a malicious repository to modify files outside of the intended directory by exploiting the missing symlink check.
Is CVE-2017-1000115 a remote or local vulnerability?
CVE-2017-1000115 can be exploited remotely as it involves malicious repositories that can affect local file systems.
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