CVE-2018-5740 A flaw in the "deny-answer-aliases" feature can cause an assertion failure in named

"deny-answer-aliases" is a little-used feature intended to help recursive server operators protect end users against DNS rebinding attacks, a potential method of circumventing the security model used by client browsers. However, a defect in this feature makes it easy, when the feature is in use, ...

CVE-2017-3137

Mistaken assumptions about the ordering of records in the answer section of a response containing CNAME or DNAME resource records could lead to a situation in which named would exit with an assertion failure when processing a response in which records occurred in an unusual order. Affects BIND...

CVE-2017-3137

CVE-2017-3137 is a denial-of-service issue in BIND where a response containing CNAME or DNAME records can cause named to exit with an assertion failure when records are in an unusual order. Affected upstream releases include multiple 9.x series (e.g., 9.9.9-P6 through 9.11.1rc1, 9.9.9-S8; also li...

CVE-2017-3145

BIND was improperly sequencing cleanup operations on upstream recursion fetch contexts, leading in some cases to a use-after-free error that can trigger an assertion failure and crash in named. Affects BIND 9.0.0 to 9.8.x, 9.9.0 to 9.9.11, 9.10.0 to 9.10.6, 9.11.0 to 9.11.2, 9.9.3-S1 to 9.9.11-S1...

CVE-2018-5737

CVE-2018-5737 concerns ISC BIND 9.12.x. The issue arises from the implementation of the new serve-stale feature, which can trigger an assertion failure in rbtdb.c even when stale-answer-enable is off. Additionally, interaction between serve-stale and NSEC aggressive negative caching can, in some ...

CVE-2018-5737

A problem with the implementation of the new serve-stale feature in BIND 9.12 can lead to an assertion failure in rbtdb.c, even when stale-answer-enable is off. Additionally, problematic interaction between the serve-stale feature and NSEC aggressive negative caching can in some cases cause...

CVE-2017-3135

Under some conditions when using both DNS64 and RPZ to rewrite query responses, query processing can resume in an inconsistent state leading to either an INSIST assertion failure or an attempt to read through a NULL pointer. Affects BIND 9.8.8, 9.9.3-S1 - 9.9.9-S7, 9.9.3 - 9.9.9-P5, 9.9.10b1,...

CVE-2018-5740

"deny-answer-aliases" is a little-used feature intended to help recursive server operators protect end users against DNS rebinding attacks, a potential method of circumventing the security model used by client browsers. However, a defect in this feature makes it easy, when the feature is in use, ...

CVE-2016-9778

An error in handling certain queries can cause an assertion failure when a server is using the nxdomain-redirect feature to cover a zone for which it is also providing authoritative service. A vulnerable server could be intentionally stopped by an attacker if it was using a configuration that met...

CVE-2016-9778

CVE-2016-9778 affects ISC BIND and is triggered by handling specific queries when using the nxdomain-redirect feature in certain BIND versions (9.9.8-S1 to 9.9.8-S3, 9.9.9-S1 to 9.9.9-S6, 9.11.0-9.11.0-P1). The vulnerability can cause a REQUIRE assertion failure in db.c, potentially crashing or s...

CVE-2018-5740

CVE-2018-5740 is a flaw in the deny-answer-aliases feature of BIND that can cause an assertion failure in named, potentially restarting the bind process (denial of service). Affected BIND versions include 9.7.0–9.8.8, 9.9.0–9.9.13, 9.10.0–9.10.8, 9.11.0–9.11.4, 9.12.0–9.12.2, and 9.13.0–9.13.2. R...

openvswitch: Error during bundle commit in ofproto/ofproto.c:ofproto_rule_insert__() allows for crash

An issue was discovered in Open vSwitch OvS, 2.7.x through 2.7.6, 2.8.x through 2.8.4, and 2.9.x through 2.9.2, where the ofprotoruleinsert function inside ofproto/ofproto.c is affected by an assertion failure under certain circumstances. A specially crafted flow update applied using the bundling...

Moderate: Red Hat Security Advisory: openvswitch security and bug fix update

An update for openvswitch is now available for Red Hat OpenStack Platform 13.0 Queens. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

openvswitch: Mishandle of group mods in lib/ofp-util.c:parse_group_prop_ntr_selection_method() allows for assertion failure

An issue was discovered in Open vSwitch OvS, 2.4.x through 2.4.1, 2.5.x through 2.5.5, 2.6.x through 2.6.3, 2.7.x through 2.7.6, 2.8.x through 2.8.4, and2.9.x through 2.9.2, affecting the parsegrouppropntrselectionmethod in lib/ofp-util.c. On controllers with the OpenFlow 1.5 decoder enabled, a...

openvswitch: Mishandle of group mods in lib/ofp-util.c:parse_group_prop_ntr_selection_method() allows for assertion failure

An issue was discovered in Open vSwitch OvS, 2.4.x through 2.4.1, 2.5.x through 2.5.5, 2.6.x through 2.6.3, 2.7.x through 2.7.6, 2.8.x through 2.8.4, and2.9.x through 2.9.2, affecting the parsegrouppropntrselectionmethod in lib/ofp-util.c. On controllers with the OpenFlow 1.5 decoder enabled, a...

openvswitch: Error during bundle commit in ofproto/ofproto.c:ofproto_rule_insert__() allows for crash

An issue was discovered in Open vSwitch OvS, 2.7.x through 2.7.6, 2.8.x through 2.8.4, and 2.9.x through 2.9.2, where the ofprotoruleinsert function inside ofproto/ofproto.c is affected by an assertion failure under certain circumstances. A specially crafted flow update applied using the bundling...

Authentication flaw

When a specific BGP flowspec configuration is enabled and upon receipt of a specific matching BGP packet meeting a specific term in the flowspec configuration, a reachable assertion failure occurs, causing the routing protocol daemon rpd process to crash with a core file being generated. Affected...

CVE-2019-0003

When a specific BGP flowspec configuration is enabled and upon receipt of a specific matching BGP packet meeting a specific term in the flowspec configuration, a reachable assertion failure occurs, causing the routing protocol daemon rpd process to crash with a core file being generated. Affected...

CVE-2019-0003

CVE-2019-0003 describes a vulnerability in Juniper Junos OS where a flowspec BGP update containing a specific term-order can trigger a reachable assertion failure, crashing the routing protocol daemon (rpd) and producing a core. The issue affects Junos OS releases across SRX, EX, and QFX platform...

Denial Of Service (DoS)

openvswitch is vulnerable to denial of service. An assertion failure in the parsegrouppropntrselectionmethod function in lib/ofp-util.c allows for an attacker to cause a denial of service condition in the application. This is due to an invalid group type during decoding of a group mod when the...