Unrated severityNVD Advisory· Published Aug 7, 2020· Updated Aug 4, 2024
CVE-2020-9490
CVE-2020-9490
Description
Apache HTTP Server versions 2.4.20 to 2.4.43. A specially crafted value for the 'Cache-Digest' header in a HTTP/2 request would result in a crash when the server actually tries to HTTP/2 PUSH a resource afterwards. Configuring the HTTP/2 feature via "H2Push off" will mitigate this vulnerability for unpatched servers.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
30- Apache/Apache HTTP Serverdescription
- Range: >=2.4.20, <=2.4.43
- osv-coords28 versionspkg:bitnami/apachepkg:rpm/opensuse/apache2&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/apache2&distro=openSUSE%20Leap%2015.2pkg:rpm/suse/apache2&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/apache2&distro=SUSE%20Enterprise%20Storage%205pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP1pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP2pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/apache2&distro=SUSE%20OpenStack%20Cloud%207pkg:rpm/suse/apache2&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/apache2&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/apache2&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208pkg:rpm/suse/apache2&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209
>= 2.4.20, < 2.4.46+ 27 more
- (no CPE)range: >= 2.4.20, < 2.4.46
- (no CPE)range: < 2.4.33-lp151.8.15.1
- (no CPE)range: < 2.4.43-lp152.2.3.1
- (no CPE)range: < 2.4.23-29.63.1
- (no CPE)range: < 2.4.23-29.63.1
- (no CPE)range: < 2.4.33-3.33.1
- (no CPE)range: < 2.4.33-3.33.1
- (no CPE)range: < 2.4.43-3.5.1
- (no CPE)range: < 2.4.33-3.33.1
- (no CPE)range: < 2.4.43-3.5.1
- (no CPE)range: < 2.4.23-29.63.1
- (no CPE)range: < 2.4.23-29.63.1
- (no CPE)range: < 2.4.23-29.63.1
- (no CPE)range: < 2.4.23-29.63.1
- (no CPE)range: < 2.4.23-29.63.1
- (no CPE)range: < 2.4.23-29.63.1
- (no CPE)range: < 2.4.33-3.33.1
- (no CPE)range: < 2.4.23-29.63.1
- (no CPE)range: < 2.4.23-29.63.1
- (no CPE)range: < 2.4.23-29.63.1
- (no CPE)range: < 2.4.23-29.63.1
- (no CPE)range: < 2.4.33-3.33.1
- (no CPE)range: < 2.4.23-29.63.1
- (no CPE)range: < 2.4.23-29.63.1
- (no CPE)range: < 2.4.23-29.63.1
- (no CPE)range: < 2.4.23-29.63.1
- (no CPE)range: < 2.4.23-29.63.1
- (no CPE)range: < 2.4.23-29.63.1
Patches
Vulnerability mechanics
References
29- lists.opensuse.org/opensuse-security-announce/2020-08/msg00068.htmlmitrevendor-advisoryx_refsource_SUSE
- lists.opensuse.org/opensuse-security-announce/2020-08/msg00071.htmlmitrevendor-advisoryx_refsource_SUSE
- lists.opensuse.org/opensuse-security-announce/2020-10/msg00081.htmlmitrevendor-advisoryx_refsource_SUSE
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4NKWG2EXAQQB6LMLATKZ7KLSRGCSHVAN/mitrevendor-advisoryx_refsource_FEDORA
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ITVFDBVM6E3JF3O7RYLRPRCH3RDRHJJY/mitrevendor-advisoryx_refsource_FEDORA
- security.gentoo.org/glsa/202008-04mitrevendor-advisoryx_refsource_GENTOO
- usn.ubuntu.com/4458-1/mitrevendor-advisoryx_refsource_UBUNTU
- www.debian.org/security/2020/dsa-4757mitrevendor-advisoryx_refsource_DEBIAN
- packetstormsecurity.com/files/160392/Apache-2.4.43-mod_http2-Memory-Corruption.htmlmitrex_refsource_MISC
- httpd.apache.org/security/vulnerabilities_24.htmlmitrex_refsource_MISC
- lists.apache.org/thread.html/r06f0d87ebb6d59ed8379633f36f72f5b1f79cadfda72ede0830b42cf%40%3Ccvs.httpd.apache.org%3Emitremailing-listx_refsource_MLIST
- lists.apache.org/thread.html/r09bb998baee74a2c316446bd1a41ae7f8d7049d09d9ff991471e8775%40%3Ccvs.httpd.apache.org%3Emitremailing-listx_refsource_MLIST
- lists.apache.org/thread.html/r0b6541c5fb2f8fb383861333400add7def625bc993300300de0b4f8d%40%3Ccvs.httpd.apache.org%3Emitremailing-listx_refsource_MLIST
- lists.apache.org/thread.html/r3c5c3104813c1c5508b55564b66546933079250a46ce50eee90b2e36%40%3Ccvs.httpd.apache.org%3Emitremailing-listx_refsource_MLIST
- lists.apache.org/thread.html/r5debe8f82728a00a4a68bc904dd6c35423bdfc8d601cfb4579f38bf1%40%3Cdev.httpd.apache.org%3Emitremailing-listx_refsource_MLIST
- lists.apache.org/thread.html/r623de9b2b2433a87f3f3a15900419fc9c00c77b26936dfea4060f672%40%3Cdev.httpd.apache.org%3Emitremailing-listx_refsource_MLIST
- lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d%40%3Ccvs.httpd.apache.org%3Emitremailing-listx_refsource_MLIST
- lists.apache.org/thread.html/r97d0faab6ed8fd0d439234b16d05d77b22a07b0c4817e7b3cca419cc%40%3Ccvs.httpd.apache.org%3Emitremailing-listx_refsource_MLIST
- lists.apache.org/thread.html/r9e485ce5a01c9dc3d4d785a7d28aa7400ead1e81884034ff1f03cfee%40%3Ccvs.httpd.apache.org%3Emitremailing-listx_refsource_MLIST
- lists.apache.org/thread.html/r9e9f1a7609760f0f80562eaaec2aa3c32d525c3e0fca98b475240c71%40%3Cdev.httpd.apache.org%3Emitremailing-listx_refsource_MLIST
- lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3Emitremailing-listx_refsource_MLIST
- lists.apache.org/thread.html/ra4da876037477c06f2677d7a1e10b5a8613000fca99c813958070fe9%40%3Ccvs.httpd.apache.org%3Emitremailing-listx_refsource_MLIST
- lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3Emitremailing-listx_refsource_MLIST
- lists.apache.org/thread.html/rdf3e5d0a5f5c3d90d6013bccc6c4d5af59cf1f8c8dea5d9a283d13ce%40%3Ccvs.httpd.apache.org%3Emitremailing-listx_refsource_MLIST
- lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3Emitremailing-listx_refsource_MLIST
- lists.apache.org/thread.html/rfed9fea918e090383da33e393eb6c2755fccf05032bd7d6eb4737c9e%40%3Ccvs.httpd.apache.org%3Emitremailing-listx_refsource_MLIST
- security.netapp.com/advisory/ntap-20200814-0005/mitrex_refsource_CONFIRM
- www.oracle.com/security-alerts/cpujan2021.htmlmitrex_refsource_MISC
- www.oracle.com/security-alerts/cpuoct2020.htmlmitrex_refsource_MISC
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