Vulnerability in Rsyslog
CVE-2011-4623
Integer overflow in the rsCStrExtendBuf function in runtime/stringbuf.c in the imfile module in rsyslog 4.x before 4.6.6, 5.x before 5.7.4, and 6.x before 6.1.4 allows local users to cause a denial of service (daemon hang) via a large file, which triggers a heap-based buffer overflow.
EPSS: 0.004 (34.5th percentile) — read the EPSS interpretation.
Affected products
- Rsyslog — versions 4.1.0, 4.1.1, 4.1.2
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_CONFIRM)
- secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory, Patch, Vendor Advisory)
- secalert@redhat.com (x_refsource_CONFIRM)
- secalert@redhat.com (x_refsource_MISC)
- secalert@redhat.com (x_refsource_CONFIRM)
- secalert@redhat.com (vdb-entry, x_refsource_SECTRACK)
- secalert@redhat.com (x_refsource_CONFIRM)
- secalert@redhat.com (x_refsource_SECUNIA, Vendor Advisory, third-party-advisory)
- secalert@redhat.com (vdb-entry, x_refsource_BID)
- secalert@redhat.com (x_refsource_SECUNIA, Vendor Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2011-4623?
- CVE-2011-4623 is a vulnerability in Rsyslog, classified under CWE-189. Published 2012-09-25.
- Is CVE-2011-4623 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.