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CVE-2021-30641
CVE-2020-13950:
Apache HTTP Server versions 2.4.41 to 2.4.46 mod_proxy_http can be
made to crash (NULL pointer dereference) with specially crafted
requests using both Content-Length and Transfer-Encoding headers,
leading to a Denial of Service
References:
https://nvd.nist.gov/vuln/detail/CVE-2020-13950
Upstream patches:
https://bugzilla.redhat.com/show_bug.cgi?id=1966738
https://github.com/apache/httpd/commit/8c162db8b65b2193e622b780e8c6516d4265f68b
CVE-2020-35452:
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
References:
https://nvd.nist.gov/vuln/detail/CVE-2020-35452
Upstream patches:
https://security-tracker.debian.org/tracker/CVE-2020-35452
https://github.com/apache/httpd/commit/3b6431eb9c9dba603385f70a2131ab4a01bf0d3b
CVE-2021-26690:
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
References:
https://nvd.nist.gov/vuln/detail/CVE-2021-26690
Upstream patches:
https://security-tracker.debian.org/tracker/CVE-2021-26690
https://github.com/apache/httpd/commit/67bd9bfe6c38831e14fe7122f1d84391472498f8
CVE-2021-26691:
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
References:
https://nvd.nist.gov/vuln/detail/CVE-2021-26691
Upstream patches:
https://bugzilla.redhat.com/show_bug.cgi?id=1966732
https://github.com/apache/httpd/commit/7e09dd714fc62c08c5b0319ed7b9702594faf49b
CVE-2021-30641:
Apache HTTP Server versions 2.4.39 to 2.4.46 Unexpected
matching behavior with 'MergeSlashes OFF'
References:
https://nvd.nist.gov/vuln/detail/CVE-2021-30641
Upstream patches:
https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2021-30641
https://github.com/apache/httpd/commit/6141d5aa3f5cf8f1b89472e7fdb66578810d0ae3
Signed-off-by: Li Wang <li.wang@windriver.com>
Signed-off-by: Changqing Li <changqing.li@windriver.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
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Li Wang