Debian Security Advisory
DLA-2515-1 csync2 -- LTS security update
- Date Reported:
- 04 Jan 2021
- Affected Packages:
- Security database references:
- In Mitre's CVE dictionary: CVE-2019-15523.
- More information:
It was discovered that csync2, a cluster synchronization tool, did not correctly check for the return value from GnuTLS security routines. It neglected to repeatedly call this function as required by the design of the API.
An issue was discovered in LINBIT csync2 through 2.0. It does not correctly check for the return value GNUTLS_E_WARNING_ALERT_RECEIVED of the gnutls_handshake() function. It neglects to call this function again, as required by the design of the API.
For Debian 9
Stretch, these problems have been fixed in version 2.0-8-g175a01c-4+deb9u2.
We recommend that you upgrade your csync2 packages.
Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS