CVE-2020-35452

CVSS V2 Medium 6.8 CVSS V3 High 7.3

Description

Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Digest nonce can cause a stack overflow in mod_auth_digest. There is no report of this overflow being exploitable, nor the Apache HTTP Server team could create one, though some particular compiler and/or compilation option might make it possible, with limited consequences anyway due to the size (a single byte) and the value (zero byte) of the overflow

Overview

CVE ID
CVE-2020-35452

Assigner
security@apache.org

Vulnerability Status
Analyzed

Published Version
2021-06-10T07:15:07

Last Modified Date
2021-12-01T21:32:22

Weakness Enumerations

CWE	URL
CWE-787	http://cwe.mitre.org/data/definitions/787.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:apache:http_server::::::::	1	OR	2.4.0	2.4.46
cpe:2.3:o:debian:debian_linux:9.0:::::::*	1	OR
cpe:2.3:o:debian:debian_linux:10.0:::::::*	1	OR
cpe:2.3:o:fedoraproject:fedora:34:::::::*	1	OR
cpe:2.3:o:fedoraproject:fedora:35:::::::*	1	OR
cpe:2.3:a:oracle:enterprise_manager_ops_center:12.4.0.0:::::::*	1	OR
cpe:2.3:a:oracle:instantis_enterprisetrack:17.1:::::::*	1	OR
cpe:2.3:a:oracle:instantis_enterprisetrack:17.2:::::::*	1	OR
cpe:2.3:a:oracle:instantis_enterprisetrack:17.3:::::::*	1	OR
cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:::::::*	1	OR

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:M/Au:N/C:P/I:P/A:P

Access Vector
NETWORK

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
PARTIAL

Availability Impact
PARTIAL

Base Score
6.8

Severity
MEDIUM

Exploitability Score
8.6

Impact Score
6.4

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
LOW

Availability Impact
LOW

Base Score
7.3

Base Severity
HIGH

Exploitability Score
3.9

Impact Score
3.4

References

Reference URL	Reference Tags
http://httpd.apache.org/security/vulnerabilities_24.html	Vendor Advisory
https://lists.apache.org/thread.html/re026d3da9d7824bd93b9f871c0fdda978d960c7e62d8c43cba8d0bf3%40%3Ccvs.httpd.apache.org%3E	Mailing List Release Notes Vendor Advisory
https://lists.apache.org/thread.html/rccb1b8225583a48c6360edc7a93cc97ae8b0215791e455dc607e7602@%3Cannounce.httpd.apache.org%3E	Mailing List Vendor Advisory
https://lists.apache.org/thread.html/r7f2b70b621651548f4b6f027552f1dd91705d7111bb5d15cda0a68dd@%3Cdev.httpd.apache.org%3E	Mailing List Vendor Advisory
http://www.openwall.com/lists/oss-security/2021/06/10/5	Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20210702-0001/	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/07/msg00006.html	Mailing List Third Party Advisory
https://www.debian.org/security/2021/dsa-4937	Third Party Advisory
https://security.gentoo.org/glsa/202107-38	Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/	Mailing List Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.html	Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2020-35452
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-35452

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 06:43:40				Added to TrackCVE
2022-12-05 04:06:55	2021-06-10T07:15Z	2021-06-10T07:15:07	CVE Published Date	updated
2022-12-05 04:06:55		2021-12-01T21:32:22	CVE Modified Date	updated
2022-12-05 04:06:55		Analyzed	Vulnerability Status	updated