CVE-2017-9462
What it is
In Mercurial before 4.1.3, "hg serve --stdio" allows remote authenticated users to launch the Python debugger, and consequently execute arbitrary code, by using --debugger as a repository name.
At a glance
- Exploitability
- Can be exploited over the network with a low-privilege account. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 21.7% chance of exploitation in the next 30 days (EPSS). Higher than most.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 21.7% in the next 30 days (EPSS).
- Severity: 8.8 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 21.7% · EPSS, next 30 days
- Weakness
- CWE-732 · Incorrect permission assignment
- Record status
- Modified
Affected
- Mercurial < 4.1.3
- Debian Linux 8.0
- Debian Linux 9.0
- Redhat Enterprise Linux Desktop 6.0
- Redhat Enterprise Linux Desktop 7.0
- Redhat Enterprise Linux Server 6.0
- Redhat Enterprise Linux Server 7.0
- Redhat Enterprise Linux Server Aus 7.3
Attack profile CVSS 3.1 · 8.8
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2017-9462.md and follow it. Check whether this project is affected by CVE-2017-9462. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://bugs.debian.org/861243
- https://www.mercurial-scm.org/repo/hg/rev/77eaf9539499
- https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.1.3_.282017-4-18.29
- https://bugs.debian.org/861243
- https://www.mercurial-scm.org/repo/hg/rev/77eaf9539499
- https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.1.3_.282017-4-18.29
References
- http://www.debian.org/security/2017/dsa-3963
- http://www.securityfocus.com/bid/99123
- https://access.redhat.com/errata/RHSA-2017:1576
- https://bugs.debian.org/861243
- https://lists.debian.org/debian-lts-announce/2018/07/msg00005.html
- https://security.gentoo.org/glsa/201709-18
- https://www.mercurial-scm.org/repo/hg/rev/77eaf9539499
- https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.1.3_.282017-4-18.29
- http://www.debian.org/security/2017/dsa-3963
- http://www.securityfocus.com/bid/99123
- https://access.redhat.com/errata/RHSA-2017:1576
- https://bugs.debian.org/861243
- https://lists.debian.org/debian-lts-announce/2018/07/msg00005.html
- https://security.gentoo.org/glsa/201709-18
- https://www.mercurial-scm.org/repo/hg/rev/77eaf9539499
- https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.1.3_.282017-4-18.29