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CVE-2018-18065

net-snmp: NULL pointer exception in _set_key in agent/helpers/table_container.c resulting in a denial of service

_set_key in agent/helpers/table_container.c in Net-SNMP before 5.8 has a NULL Pointer Exception bug that can be used by an authenticated attacker to remotely cause the instance to crash via a crafted UDP packet, resulting in Denial of Service.

CVSS 3.0 · 6.5 Medium EPSS 17.5% KEV · Not listed
Vendors
Canonical Debian Net-snmp and 2 more
Products
Ubuntu Linux Debian Linux Net-snmp and 7 more
CVE-2017-15715

httpd: <FilesMatch> bypass with a trailing newline in the file name

In Apache httpd 2.4.0 to 2.4.29, the expression specified in <FilesMatch> could match '$' to a newline character in a malicious filename, rather than matching only the end of the filename. This could be exploited in environments where uploads of some files are are externally blocked, but only by matching the trailing portion of the filename.

CVSS 3.0 · 8.1 High EPSS 86.2% KEV · Not listed
Vendors
Apache Canonical Debian and 2 more
Products
Http Server Ubuntu Linux Debian Linux and 7 more
CVE-2017-15710

httpd: Out of bounds write in mod_authnz_ldap when using too small Accept-Language values

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 it to a two characters value to allow a quick retry (for example, 'en-US' is truncated to 'en'). A header value of less than two characters forces an out of bound write of one NUL byte to a memory location that is not part of the string. In the worst case, quite unlikely, the process would crash which could be used as a Denial of Service attack. In the more likely case, this memory is already reserved for future use and the issue has no effect at all.

CVSS 3.0 · 7.5 High EPSS 17.5% KEV · Not listed
Vendors
Apache Canonical Debian and 2 more
Products
Http Server Ubuntu Linux Debian Linux and 7 more