CVE-2018-1000132

mercurial: HTTP server permissions bypass

Severity Score

9.1

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Mercurial version 4.5 and earlier contains a Incorrect Access Control (CWE-285) vulnerability in Protocol server that can result in Unauthorized data access. This attack appear to be exploitable via network connectivity. This vulnerability appears to have been fixed in 4.5.1.

Mercurial, en versiones 4.5 y anteriores, contiene una vulnerabilidad de control de acceso incorrecto (CWE-285) en el servidor de protocolo que puede resultar en el acceso a datos sin autorización. Este ataque parece ser explotable mediante conectividad de red. La vulnerabilidad parece haber sido solucionada en la versión 4.5.1.

Mercurial is a fast, lightweight source control management system designed for efficient handling of very large distributed projects. Issues addressed include a bypass vulnerability.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-03-14 CVE Reserved
2018-03-14 CVE Published
2024-08-05 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-20: Improper Input Validation
CWE-732: Incorrect Permission Assignment for Critical Resource

CAPEC

References (7)

URL	Tag	Source
https://lists.debian.org/debian-lts-announce/2018/03/msg00034.html	Mailing List
https://lists.debian.org/debian-lts-announce/2018/07/msg00005.html	Mailing List
https://lists.debian.org/debian-lts-announce/2020/07/msg00032.html	Mailing List

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://access.redhat.com/errata/RHSA-2019:2276	2020-07-31
https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.5.1_.2F_4.5.2_.282018-03-06.29	2020-07-31
https://access.redhat.com/security/cve/CVE-2018-1000132	2019-08-06
https://bugzilla.redhat.com/show_bug.cgi?id=1553265	2019-08-06

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Mercurial Search vendor "Mercurial"		Mercurial Search vendor "Mercurial" for product "Mercurial"				< 4.5.1 Search vendor "Mercurial" for product "Mercurial" and version " < 4.5.1"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				7.0 Search vendor "Debian" for product "Debian Linux" and version "7.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0"		-		Affected