Buffer overflow in Apache Bookkeeper
CVE-2017-6891
Two errors in the "asn1_find_node()" function (lib/parser_aux.c) within GnuTLS libtasn1 version 4.10 can be exploited to cause a stacked-based buffer overflow by tricking a user into processing a specially crafted assignments file via the…
Vulnerability class: Buffer Overflow
EPSS: 0.016 (82.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Apache Bookkeeper — versions 4.12.1
- Flexera Software Llc Gnutls Libtasn1 — versions 4.10. Other versions may also be affected.
- Gnu Libtasn1 — versions 4.10
- Debian Debian_linux — versions 8.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- PSIRT-CNA@flexerasoftware.com (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- PSIRT-CNA@flexerasoftware.com (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- PSIRT-CNA@flexerasoftware.com (Permissions Required, x_refsource_MISC)
- PSIRT-CNA@flexerasoftware.com (Patch, Third Party Advisory, x_refsource_MISC)
- PSIRT-CNA@flexerasoftware.com (x_refsource_CONFIRM)
- PSIRT-CNA@flexerasoftware.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- PSIRT-CNA@flexerasoftware.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- PSIRT-CNA@flexerasoftware.com (vendor-advisory, Broken Link, x_refsource_SUSE)
- PSIRT-CNA@flexerasoftware.com (mailing-list, x_refsource_MLIST)
- PSIRT-CNA@flexerasoftware.com (mailing-list, x_refsource_MLIST)
Frequently asked questions
- What is CVE-2017-6891?
- CVE-2017-6891 is a high-severity vulnerability in Apache Bookkeeper, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2017-05-22.
- How severe is CVE-2017-6891?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2017-6891 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.