Public exploit available
Public proof-of-concept or exploit code exists (ExploitDB / Metasploit / Nuclei).

CVE-2017-9462 — Incorrect Permission Assignment in Mercurial

CWE-732 — Incorrect Permission AssignmentCWE-284 — Improper Access Control10 documents8 sources
Severity
8.8HIGHNVD
EPSS
48.7%
top 2.24%
CISA KEV
Not in KEV
Exploit
PoC available
Public exploit / PoC exists
Affected products
8
MercurialDebian LinuxRedhat Enterprise Linux Desktop+5 more
Timeline
PublishedJun 6
Latest updateJul 13

Description

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages6 packages

▶NVDmercurial/mercurial< 4.1.3
▶PyPImercurial/mercurial< 4.1.3
▶Debianmercurial/mercurial< 4.3.1-1+3

Also affects: Debian Linux 8.0, 9.0, Enterprise Linux 7.3, 7.4, 7.6, 7.5

Patches

Patch: bugs.debian.org ↗Patch: bugs.debian.org ↗

🔴Vulnerability Details

4
GHSA
Mercurial has Incorrect Permission Assignment for Critical Resource↗2018-07-13
▶
OSV
Mercurial has Incorrect Permission Assignment for Critical Resource↗2018-07-13
▶
OSV
CVE-2017-9462: In Mercurial before 4↗2017-06-06
▶
CVEList
CVE-2017-9462: In Mercurial before 4↗2017-06-06
▶

💥Exploits & PoCs

1
Metasploit
Mercurial Custom hg-ssh Wrapper Remote Code Exec↗
▶

📋Vendor Advisories

2
Red Hat
mercurial: Python debugger accessible to authorized users↗2017-04-18
▶
Debian
CVE-2017-9462: mercurial - In Mercurial before 4.1.3, "hg serve --stdio" allows remote authenticated users ...↗2017
▶

💬Community

2
Bugzilla
CVE-2017-9462 mercurial: Python debugger accessible to authorized users↗2017-06-07
▶
Bugzilla
CVE-2017-9462 mercurial: Python debugger accessible to authorized users [fedora-all]↗2017-06-07
▶
CVE-2017-9462 — Incorrect Permission Assignment | cvebase