CVE-2018-11782

subversion: remotely triggerable DoS vulnerability in svnserve 'get-deleted-rev'

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

In Apache Subversion versions up to and including 1.9.10, 1.10.4, 1.12.0, Subversion's svnserve server process may exit when a well-formed read-only request produces a particular answer. This can lead to disruption for users of the server.

En Apache Subversion versiones hasta 1.9.10, 1.10.4, 1.12.0 incluyéndolas, el proceso del servidor svnserve de Subversion puede cerrarse cuando una petición de solo lectura bien formada produce una respuesta en particular. Esto puede conllevar a interrupciones para usuarios del servidor.

Ace Olszowka discovered that Subversion incorrectly handled certain svnserve requests. A remote attacker could possibly use this issue to cause svnserver to crash, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS. Tomas Bortoli discovered that Subversion incorrectly handled certain svnserve requests. A remote attacker could possibly use this issue to cause svnserver to crash, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-06-05 CVE Reserved
2019-07-31 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-617: Reachable Assertion

CAPEC

References (3)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
http://subversion.apache.org/security/CVE-2018-11782-advisory.txt	2019-09-27

URL	Date	SRC
https://access.redhat.com/security/cve/CVE-2018-11782	2020-11-04
https://bugzilla.redhat.com/show_bug.cgi?id=1733088	2020-11-04

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Apache Search vendor "Apache"		Subversion Search vendor "Apache" for product "Subversion"				<= 1.9.10 Search vendor "Apache" for product "Subversion" and version " <= 1.9.10"		-		Affected
Apache Search vendor "Apache"		Subversion Search vendor "Apache" for product "Subversion"				>= 1.10.0 <= 1.10.4 Search vendor "Apache" for product "Subversion" and version " >= 1.10.0 <= 1.10.4"		-		Affected
Apache Search vendor "Apache"		Subversion Search vendor "Apache" for product "Subversion"				>= 1.11.0 <= 1.11.1 Search vendor "Apache" for product "Subversion" and version " >= 1.11.0 <= 1.11.1"		-		Affected
Apache Search vendor "Apache"		Subversion Search vendor "Apache" for product "Subversion"				1.12.0 Search vendor "Apache" for product "Subversion" and version "1.12.0"		-		Affected