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Debian Security Advisory DSA-4151-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
March 26, 2018 https://www.debian.org/security/faq
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Package : librelp
CVE ID : CVE-2018-1000140

Bas van Schaik and Kevin Backhouse discovered a stack-based buffer
overflow vulnerability in librelp, a library providing reliable event
logging over the network, triggered while checking x509 certificates
from a peer. A remote attacker able to connect to rsyslog can take
advantage of this flaw for remote code execution by sending a specially
crafted x509 certificate.

Details can be found in the upstream advisory:

librelp stack buffer overflow vulnerability (CVE-2018-1000140)

For the oldstable distribution (jessie), this problem has been fixed
in version 1.2.7-2+deb8u1.

For the stable distribution (stretch), this problem has been fixed in
version 1.2.12-1+deb9u1.

We recommend that you upgrade your librelp packages.

For the detailed security status of librelp please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/librelp

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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