Apache Software Foundation Apache Http Server vulnerabilities

CVE-2017-15710 [HIGH] CWE-787 CVE-2017-15710: In Apache httpd 2.0.23 to 2.0.65, 2.2.0 to 2.2.34, and 2.4.0 to 2.4.29, mod_authnz_ldap, if configur In Apache httpd 2.0.23 to 2.0.65, 2.2.0 to 2.2.34, and 2.4.0 to 2.4.29, mod_authnz_ldap, if configured with AuthLDAPCharsetConfig, uses the Accept-Language header value to lookup the right charset encoding when verifying the user's credentials. If the header value is not present in the charset conversion table, a fallback mechanism is used to truncate

CVE-2018-1301 [MEDIUM] CWE-119 CVE-2018-1301: A specially crafted request could have crashed the Apache HTTP Server prior to version 2.4.30, due t A specially crafted request could have crashed the Apache HTTP Server prior to version 2.4.30, due to an out of bound access after a size limit is reached by reading the HTTP header. This vulnerability is considered very hard if not impossible to trigger in non-debug mode (both log and build level), so it is classified as low risk for common server us

CVE-2018-1302 [MEDIUM] CWE-476 CVE-2018-1302: When an HTTP/2 stream was destroyed after being handled, the Apache HTTP Server prior to version 2.4 When an HTTP/2 stream was destroyed after being handled, the Apache HTTP Server prior to version 2.4.30 could have written a NULL pointer potentially to an already freed memory. The memory pools maintained by the server make this vulnerability hard to trigger in usual configurations, the reporter and the team could not reproduce it outside debug build

CVE-2018-1283 [MEDIUM] CVE-2018-1283: In Apache httpd 2.4.0 to 2.4.29, when mod_session is configured to forward its session data to CGI a In Apache httpd 2.4.0 to 2.4.29, when mod_session is configured to forward its session data to CGI applications (SessionEnv on, not the default), a remote user may influence their content by using a "Session" header. This comes from the "HTTP_SESSION" variable name used by mod_session to forward its data to CGIs, since the prefix "HTTP_" is also used by the A

CVE-2017-9798 [HIGH] CWE-416 CVE-2017-9798: Apache httpd allows remote attackers to read secret data from process memory if the Limit directive Apache httpd allows remote attackers to read secret data from process memory if the Limit directive can be set in a user's .htaccess file, or if httpd.conf has certain misconfigurations, aka Optionsbleed. This affects the Apache HTTP Server through 2.2.34 and 2.4.x through 2.4.27. The attacker sends an unauthenticated OPTIONS HTTP request when attempting

CVE-2016-8743 [HIGH] CVE-2016-8743: Apache HTTP Server, in all releases prior to 2.2.32 and 2.4.25, was liberal in the whitespace accept Apache HTTP Server, in all releases prior to 2.2.32 and 2.4.25, was liberal in the whitespace accepted from requests and sent in response lines and headers. Accepting these different behaviors represented a security concern when httpd participates in any chain of proxies or interacts with back-end application servers, either through mod_proxy or using conventio

CVE-2016-0736 [HIGH] CWE-310 CVE-2016-0736: In Apache HTTP Server versions 2.4.0 to 2.4.23, mod_session_crypto was encrypting its data/cookie us In Apache HTTP Server versions 2.4.0 to 2.4.23, mod_session_crypto was encrypting its data/cookie using the configured ciphers with possibly either CBC or ECB modes of operation (AES256-CBC by default), hence no selectable or builtin authenticated encryption. This made it vulnerable to padding oracle attacks, particularly with CBC.

CVE-2016-2161 [HIGH] CWE-823 CVE-2016-2161: In Apache HTTP Server versions 2.4.0 to 2.4.23, malicious input to mod_auth_digest can cause the ser In Apache HTTP Server versions 2.4.0 to 2.4.23, malicious input to mod_auth_digest can cause the server to crash, and each instance continues to crash even for subsequently valid requests.

CVE-2017-7659 [HIGH] CWE-476 CVE-2017-7659: A maliciously constructed HTTP/2 request could cause mod_http2 in Apache HTTP Server 2.4.24, 2.4.25 A maliciously constructed HTTP/2 request could cause mod_http2 in Apache HTTP Server 2.4.24, 2.4.25 to dereference a NULL pointer and crash the server process.

CVE-2017-9788 [CRITICAL] CWE-20 CVE-2017-9788: In Apache httpd before 2.2.34 and 2.4.x before 2.4.27, the value placeholder in [Proxy-]Authorizatio In Apache httpd before 2.2.34 and 2.4.x before 2.4.27, the value placeholder in [Proxy-]Authorization headers of type 'Digest' was not initialized or reset before or between successive key=value assignments by mod_auth_digest. Providing an initial key with no '=' assignment could reflect the stale value of uninitialized pool memory used by the prior

CVE-2017-9789 [HIGH] CWE-416 CVE-2017-9789: When under stress, closing many connections, the HTTP/2 handling code in Apache httpd 2.4.26 would s When under stress, closing many connections, the HTTP/2 handling code in Apache httpd 2.4.26 would sometimes access memory after it has been freed, resulting in potentially erratic behaviour.

CVE-2017-3167 [CRITICAL] CWE-287 CVE-2017-3167: In Apache httpd 2.2.x before 2.2.33 and 2.4.x before 2.4.26, use of the ap_get_basic_auth_pw() by th In Apache httpd 2.2.x before 2.2.33 and 2.4.x before 2.4.26, use of the ap_get_basic_auth_pw() by third-party modules outside of the authentication phase may lead to authentication requirements being bypassed.

CVE-2017-7679 [CRITICAL] CWE-126 CVE-2017-7679: In Apache httpd 2.2.x before 2.2.33 and 2.4.x before 2.4.26, mod_mime can read one byte past the end In Apache httpd 2.2.x before 2.2.33 and 2.4.x before 2.4.26, mod_mime can read one byte past the end of a buffer when sending a malicious Content-Type response header.

CVE-2017-3169 [CRITICAL] CWE-476 CVE-2017-3169: In Apache httpd 2.2.x before 2.2.33 and 2.4.x before 2.4.26, mod_ssl may dereference a NULL pointer In Apache httpd 2.2.x before 2.2.33 and 2.4.x before 2.4.26, mod_ssl may dereference a NULL pointer when third-party modules call ap_hook_process_connection() during an HTTP request to an HTTPS port.

CVE-2017-7668 [HIGH] CWE-126 CVE-2017-7668: The HTTP strict parsing changes added in Apache httpd 2.2.32 and 2.4.24 introduced a bug in token li The HTTP strict parsing changes added in Apache httpd 2.2.32 and 2.4.24 introduced a bug in token list parsing, which allows ap_find_token() to search past the end of its input string. By maliciously crafting a sequence of request headers, an attacker may be able to cause a segmentation fault, or to force ap_find_token() to return an incorrect value.

CVE-2016-8740 [HIGH] CWE-20 CVE-2016-8740: The mod_http2 module in the Apache HTTP Server 2.4.17 through 2.4.23, when the Protocols configurati The mod_http2 module in the Apache HTTP Server 2.4.17 through 2.4.23, when the Protocols configuration includes h2 or h2c, does not restrict request-header length, which allows remote attackers to cause a denial of service (memory consumption) via crafted CONTINUATION frames in an HTTP/2 request.