Product
HTTP Server
Description
The Apache HTTP Server Project is an effort to develop and maintain an open-source HTTP server for modern operating systems including UNIX and Windows.
Product name
http_server
Related organizations
CVE-2021-33193 (GCVE-0-2021-33193)
Vulnerability from – Published: 2021-08-16 00:00 – Updated: 2024-08-03 23:42
VLAI
EPSS
VEX
Title
Request splitting via HTTP/2 method injection and mod_proxy
Summary
A crafted method sent through HTTP/2 will bypass validation and be forwarded by mod_proxy, which can lead to request splitting or cache poisoning. This issue affects Apache HTTP Server 2.4.17 to 2.4.48.
Severity
No CVSS data available.
CWE
- Request Splitting
Assigner
References
13 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server |
Affected:
Apache HTTP Server 2.4 2.4.17 to 2.4.48
|
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CVE-2021-31618 (GCVE-0-2021-31618)
Vulnerability from – Published: 2021-06-15 00:00 – Updated: 2024-08-03 23:03
VLAI
EPSS
VEX
Title
NULL pointer dereference on specially crafted HTTP/2 request
Summary
Apache HTTP Server protocol handler for the HTTP/2 protocol checks received request headers against the size limitations as configured for the server and used for the HTTP/1 protocol as well. On violation of these restrictions and HTTP response is sent to the client with a status code indicating why the request was rejected. This rejection response was not fully initialised in the HTTP/2 protocol handler if the offending header was the very first one received or appeared in a a footer. This led to a NULL pointer dereference on initialised memory, crashing reliably the child process. Since such a triggering HTTP/2 request is easy to craft and submit, this can be exploited to DoS the server. This issue affected mod_http2 1.15.17 and Apache HTTP Server version 2.4.47 only. Apache HTTP Server 2.4.47 was never released.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-05-20 16:18 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
13 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server |
Affected:
2.4.47
|
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CVE-2021-30641 (GCVE-0-2021-30641)
Vulnerability from – Published: 2021-06-10 07:10 – Updated: 2024-08-03 22:40
VLAI
EPSS
VEX
Title
Unexpected URL matching with 'MergeSlashes OFF'
Summary
Apache HTTP Server versions 2.4.39 to 2.4.46 Unexpected matching behavior with 'MergeSlashes OFF'
Severity
No CVSS data available.
CWE
- Unexpected URL matching with 'MergeSlashes OFF'
Assigner
References
12 references
| URL | Tags |
|---|---|
| http://httpd.apache.org/security/vulnerabilities_… | x_refsource_MISC |
| https://lists.apache.org/thread.html/re026d3da9d7… | x_refsource_MISC |
| https://lists.apache.org/thread.html/r2b4773944d8… | mailing-listx_refsource_MLIST |
| https://lists.apache.org/thread.html/r7f2b70b6216… | mailing-listx_refsource_MLIST |
| http://www.openwall.com/lists/oss-security/2021/06/10/8 | mailing-listx_refsource_MLIST |
| https://lists.debian.org/debian-lts-announce/2021… | mailing-listx_refsource_MLIST |
| https://www.debian.org/security/2021/dsa-4937 | vendor-advisoryx_refsource_DEBIAN |
| https://security.gentoo.org/glsa/202107-38 | vendor-advisoryx_refsource_GENTOO |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://www.oracle.com/security-alerts/cpuoct2021.html | x_refsource_MISC |
| https://security.netapp.com/advisory/ntap-2021070… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server |
Affected:
2.4.46
Affected: 2.4.43 Affected: 2.4.41 Affected: 2.4.39 |
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CVE-2021-26690 (GCVE-0-2021-26690)
Vulnerability from – Published: 2021-06-10 07:10 – Updated: 2024-08-03 20:33
VLAI
EPSS
VEX
Title
mod_session NULL pointer dereference
Summary
Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Cookie header handled by mod_session can cause a NULL pointer dereference and crash, leading to a possible Denial Of Service
Severity
No CVSS data available.
CWE
- mod_session NULL pointer dereference
Assigner
References
12 references
| URL | Tags |
|---|---|
| http://httpd.apache.org/security/vulnerabilities_… | x_refsource_MISC |
| https://lists.apache.org/thread.html/re026d3da9d7… | x_refsource_MISC |
| https://lists.apache.org/thread.html/rae406c1d19c… | mailing-listx_refsource_MLIST |
| https://lists.apache.org/thread.html/r7f2b70b6216… | mailing-listx_refsource_MLIST |
| http://www.openwall.com/lists/oss-security/2021/06/10/6 | mailing-listx_refsource_MLIST |
| https://lists.debian.org/debian-lts-announce/2021… | mailing-listx_refsource_MLIST |
| https://www.debian.org/security/2021/dsa-4937 | vendor-advisoryx_refsource_DEBIAN |
| https://security.gentoo.org/glsa/202107-38 | vendor-advisoryx_refsource_GENTOO |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://www.oracle.com/security-alerts/cpuoct2021.html | x_refsource_MISC |
| https://security.netapp.com/advisory/ntap-2021070… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server |
Affected:
2.4.46
Affected: 2.4.43 Affected: 2.4.41 Affected: 2.4.39 Affected: 2.4.38 Affected: 2.4.37 Affected: 2.4.35 Affected: 2.4.34 Affected: 2.4.33 Affected: 2.4.29 Affected: 2.4.28 Affected: 2.4.27 Affected: 2.4.26 Affected: 2.4.25 Affected: 2.4.23 Affected: 2.4.20 Affected: 2.4.18 Affected: 2.4.17 Affected: 2.4.16 Affected: 2.4.12 Affected: 2.4.10 Affected: 2.4.9 Affected: 2.4.7 Affected: 2.4.6 Affected: 2.4.4 Affected: 2.4.3 Affected: 2.4.2 Affected: 2.4.1 Affected: 2.4.0 |
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CVE-2021-26691 (GCVE-0-2021-26691)
Vulnerability from – Published: 2021-06-10 07:10 – Updated: 2024-08-03 20:33
VLAI
EPSS
VEX
Title
Apache HTTP Server mod_session response handling heap overflow
Summary
In Apache HTTP Server versions 2.4.0 to 2.4.46 a specially crafted SessionHeader sent by an origin server could cause a heap overflow
Severity
No CVSS data available.
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
13 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server |
Affected:
2.4.46
Affected: 2.4.43 Affected: 2.4.41 Affected: 2.4.39 Affected: 2.4.38 Affected: 2.4.37 Affected: 2.4.35 Affected: 2.4.34 Affected: 2.4.33 Affected: 2.4.29 Affected: 2.4.28 Affected: 2.4.27 Affected: 2.4.26 Affected: 2.4.25 Affected: 2.4.23 Affected: 2.4.20 Affected: 2.4.18 Affected: 2.4.17 Affected: 2.4.16 Affected: 2.4.12 Affected: 2.4.10 Affected: 2.4.9 Affected: 2.4.7 Affected: 2.4.6 Affected: 2.4.4 Affected: 2.4.3 Affected: 2.4.2 Affected: 2.4.1 Affected: 2.4.0 |
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CVE-2022-31813 (GCVE-0-2022-31813)
Vulnerability from – Published: 2022-06-08 10:00 – Updated: 2024-08-03 07:26
VLAI
EPSS
VEX
Title
mod_proxy X-Forwarded-For dropped by hop-by-hop mechanism
Summary
Apache HTTP Server 2.4.53 and earlier may not send the X-Forwarded-* headers to the origin server based on client side Connection header hop-by-hop mechanism. This may be used to bypass IP based authentication on the origin server/application.
Severity
No CVSS data available.
CWE
- CWE-348 - Use of Less Trusted Source
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://httpd.apache.org/security/vulnerabilities… | x_refsource_MISC |
| http://www.openwall.com/lists/oss-security/2022/06/08/8 | mailing-listx_refsource_MLIST |
| https://security.netapp.com/advisory/ntap-2022062… | x_refsource_CONFIRM |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://security.gentoo.org/glsa/202208-20 | vendor-advisoryx_refsource_GENTOO |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server |
Affected:
Apache HTTP Server 2.4 , ≤ 2.4.53
(custom)
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CVE-2022-30556 (GCVE-0-2022-30556)
Vulnerability from – Published: 2022-06-08 10:00 – Updated: 2024-08-03 06:48
VLAI
EPSS
VEX
Title
Information Disclosure in mod_lua with websockets
Summary
Apache HTTP Server 2.4.53 and earlier may return lengths to applications calling r:wsread() that point past the end of the storage allocated for the buffer.
Severity
No CVSS data available.
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://httpd.apache.org/security/vulnerabilities… | x_refsource_MISC |
| http://www.openwall.com/lists/oss-security/2022/06/08/7 | mailing-listx_refsource_MLIST |
| https://security.netapp.com/advisory/ntap-2022062… | x_refsource_CONFIRM |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://security.gentoo.org/glsa/202208-20 | vendor-advisoryx_refsource_GENTOO |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server |
Affected:
unspecified , ≤ 2.4.53
(custom)
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CVE-2022-30522 (GCVE-0-2022-30522)
Vulnerability from – Published: 2022-06-08 10:00 – Updated: 2024-08-03 06:48
VLAI
EPSS
VEX
Title
mod_sed denial of service
Summary
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.
Severity
No CVSS data available.
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://httpd.apache.org/security/vulnerabilities… | x_refsource_MISC |
| http://www.openwall.com/lists/oss-security/2022/06/08/6 | mailing-listx_refsource_MLIST |
| https://security.netapp.com/advisory/ntap-2022062… | x_refsource_CONFIRM |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://security.gentoo.org/glsa/202208-20 | vendor-advisoryx_refsource_GENTOO |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server |
Affected:
2.4.53
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CVE-2022-29404 (GCVE-0-2022-29404)
Vulnerability from – Published: 2022-06-08 10:00 – Updated: 2024-08-03 06:17
VLAI
EPSS
VEX
Title
Denial of service in mod_lua r:parsebody
Summary
In Apache HTTP Server 2.4.53 and earlier, a malicious request to a lua script that calls r:parsebody(0) may cause a denial of service due to no default limit on possible input size.
Severity
No CVSS data available.
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://httpd.apache.org/security/vulnerabilities… | x_refsource_MISC |
| http://www.openwall.com/lists/oss-security/2022/06/08/5 | mailing-listx_refsource_MLIST |
| https://security.netapp.com/advisory/ntap-2022062… | x_refsource_CONFIRM |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://security.gentoo.org/glsa/202208-20 | vendor-advisoryx_refsource_GENTOO |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server |
Affected:
unspecified , ≤ 2.4.53
(custom)
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CVE-2022-28614 (GCVE-0-2022-28614)
Vulnerability from – Published: 2022-06-08 10:00 – Updated: 2024-08-03 05:56
VLAI
EPSS
VEX
Title
read beyond bounds via ap_rwrite()
Summary
The ap_rwrite() function in Apache HTTP Server 2.4.53 and earlier may read unintended memory if an attacker can cause the server to reflect very large input using ap_rwrite() or ap_rputs(), such as with mod_luas r:puts() function. Modules compiled and distributed separately from Apache HTTP Server that use the 'ap_rputs' function and may pass it a very large (INT_MAX or larger) string must be compiled against current headers to resolve the issue.
Severity
No CVSS data available.
CWE
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://httpd.apache.org/security/vulnerabilities… | x_refsource_MISC |
| http://www.openwall.com/lists/oss-security/2022/06/08/4 | mailing-listx_refsource_MLIST |
| https://security.netapp.com/advisory/ntap-2022062… | x_refsource_CONFIRM |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://security.gentoo.org/glsa/202208-20 | vendor-advisoryx_refsource_GENTOO |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server |
Affected:
unspecified , ≤ 2.4.53
(custom)
|
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