Buffer overflow in Rsyslog
CVE-2011-3200
Stack-based buffer overflow in the parseLegacySyslogMsg function in tools/syslogd.c in rsyslogd in rsyslog 4.6.x before 4.6.8 and 5.2.0 through 5.8.4 might allow remote attackers to cause a denial of service (application exit) via a long TAG in a legacy syslog message.
Vulnerability class: Buffer Overflow
EPSS: 0.208 (97.3th percentile) — read the EPSS interpretation.
Affected products
- Rsyslog — versions 4.6.0, 4.6.1, 4.6.2
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_SECUNIA, third-party-advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Patch)
- secalert@redhat.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- secalert@redhat.com (vdb-entry, x_refsource_SECTRACK)
- secalert@redhat.com (vendor-advisory, x_refsource_SUSE)
- secalert@redhat.com (x_refsource_CONFIRM)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (vendor-advisory, x_refsource_MANDRIVA)
- secalert@redhat.com (vendor-advisory, x_refsource_FEDORA)
- secalert@redhat.com (vdb-entry, x_refsource_BID)
Frequently asked questions
- What is CVE-2011-3200?
- CVE-2011-3200 is a vulnerability in Rsyslog, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2011-09-06.
- Is CVE-2011-3200 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.