Vulnerability Details : 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 e.g. asn1Coding utility.
Vulnerability category: OverflowMemory Corruption
Products affected by CVE-2017-6891
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:a:apache:bookkeeper:4.12.1:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:libtasn1:4.10:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-6891
0.23%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 61 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-6891
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2017-6891
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-6891
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https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E
Mailing List;Third Party Advisory
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http://www.securityfocus.com/bid/98641
GnuTLS CVE-2017-6891 Stack Buffer Overflow VulnerabilityThird Party Advisory;VDB Entry
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http://www.debian.org/security/2017/dsa-3861
Debian -- Security Information -- DSA-3861-1 libtasn1-6Third Party Advisory
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https://secuniaresearch.flexerasoftware.com/advisories/76125/
Sign inPermissions Required
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http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00018.html
[security-announce] openSUSE-SU-2019:1510-1: moderate: Security update fBroken Link
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http://git.savannah.gnu.org/gitweb/?p=libtasn1.git;a=commit;h=5520704d075802df25ce4ffccc010ba1641bd484
Savannah Git Hosting - libtasn1.git/commitPatch;Vendor Advisory
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http://www.securitytracker.com/id/1038619
libtASN1 Stack Overflow in asn1_find_node() in Processing Assignment Files Lets Remote Users Execute Arbitrary Code - SecurityTrackerThird Party Advisory;VDB Entry
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https://security.gentoo.org/glsa/201710-11
GNU Libtasn1: Multiple vulnerabilities (GLSA 201710-11) — Gentoo securityThird Party Advisory
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https://secuniaresearch.flexerasoftware.com/secunia_research/2017-11/
Secunia Research Advisories | FlexeraPatch;Third Party Advisory
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https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E
[GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8 - Pony MailMailing List;Third Party Advisory
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