CVE-2022-30522

mod_sed denial of service

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

If Apache HTTP Server 2.4.53 is configured to do transformations with mod_sed in contexts where the input to mod_sed may be very large, mod_sed may make excessively large memory allocations and trigger an abort.

Si Apache HTTP Server versión 2.4.53, está configurado para hacer transformaciones con mod_sed en contextos en los que la entrada a mod_sed puede ser muy grande, mod_sed puede hacer asignaciones de memoria excesivamente grandes y provocar un aborto

A flaw was found in the mod_sed module of httpd. A very large input to the mod_sed module can result in a denial of service due to excessively large memory allocations.

*Credits: This issue was found by Brian Moussalli from the JFrog Security Research team

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-05-09 CVE Reserved
2022-06-08 CVE Published
2024-08-03 CVE Updated
2024-09-27 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-770: Allocation of Resources Without Limits or Throttling
CWE-789: Memory Allocation with Excessive Size Value

CAPEC

References (8)

URL	Tag	Source
http://www.openwall.com/lists/oss-security/2022/06/08/6	Mailing List
https://security.netapp.com/advisory/ntap-20220624-0005	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://httpd.apache.org/security/vulnerabilities_24.html	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7QUGG2QZWHTITMABFLVXA4DNYUOTPWYQ	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YPY2BLEVJWFH34AX77ZJPLD2OOBYR6ND	2023-11-07
https://security.gentoo.org/glsa/202208-20	2023-11-07
https://access.redhat.com/security/cve/CVE-2022-30522	2022-12-08
https://bugzilla.redhat.com/show_bug.cgi?id=2095015	2022-12-08

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Apache Search vendor "Apache"		Http Server Search vendor "Apache" for product "Http Server"				2.4.53 Search vendor "Apache" for product "Http Server" and version "2.4.53"		-		Affected
Netapp Search vendor "Netapp"		Clustered Data Ontap Search vendor "Netapp" for product "Clustered Data Ontap"				-		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				35 Search vendor "Fedoraproject" for product "Fedora" and version "35"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				36 Search vendor "Fedoraproject" for product "Fedora" and version "36"		-		Affected