Buffer overflow in Vert.x - CVE-2018-12541
Published: June 18, 2021
Vulnerability identifier: #VU54228
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-12541
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in the WebSocket HTTP upgrade implementation. A remote authenticated attacker can trigger memory corruption and cause a denial of service condition on the target system.
Affected software
Vert.x
Apache Pulsar
Apache Pulsar
How to mitigate CVE-2018-12541
Install updates from vendor's website.
Vert.x - update to 3.5.4
Apache Pulsar - update to 2.8.0
Apache Pulsar - update to 2.8.0
External References
- https://github.com/eclipse-vertx/vert.x/issues/2648
- https://bugs.eclipse.org/bugs/show_bug.cgi?id=539170
- https://access.redhat.com/errata/RHSA-2018:2946
- https://lists.apache.org/thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995ec908ce7624d26@%3Ccommits.pulsar.apache.org%3E
- https://lists.apache.org/thread.html/re5ddabee26fbcadc7254d03a5a073d64080a9389adc9e452529664ed@%3Ccommits.pulsar.apache.org%3E
- https://lists.apache.org/thread.html/r344235b1aea2f7fa2381495df1d77d02b595e3d7e4626e701f7c1062@%3Ccommits.pulsar.apache.org%3E
- https://lists.apache.org/thread.html/r362835e6c7f34324ed24e318b363fcdd20cea91d0cea0b2e1164f73e@%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/r11789cd6d67ecca2d6f6bbb11e34495e68ee99287b6c59edf5b1a09c@%3Ccommits.pulsar.apache.org%3E
- https://lists.apache.org/thread.html/r3da899890536af744dec897fbc561fd9810ac45e79a16164b53c31b2@%3Ccommits.pulsar.apache.org%3E
- https://lists.apache.org/thread.html/r8db0431ecf93f2dd2128db5ddca897b33ba883b7f126648d6a9e4c47@%3Ccommits.pulsar.apache.org%3E
- https://lists.apache.org/thread.html/rbdc279ecdb7ac496a03befb05a53605c4ce2b67e14f8f4df4cfa1203@%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/r1af71105539fe01fcecb92d2ecd8eea56c515fb1c80ecab4df424553@%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/r79789a0afb184abd13a2c07016e6e7ab8e64331f332b630bf82a2eed@%3Ccommits.pulsar.apache.org%3E