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.…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (5.58%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 5.58% probability · 92th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- gnu/libtasn1 · debian/debian linux · apache/bookkeeper
- Source
- PSIRT-CNA@flexerasoftware.com
References
- http://git.savannah.gnu.org/gitweb/?p=libtasn1.git%3Ba=commit%3Bh=5520704d075802df25ce4ffccc010ba1641bd484
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00018.htmlBroken Link
- http://www.debian.org/security/2017/dsa-3861Third Party Advisory
- http://www.securityfocus.com/bid/98641Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038619Third Party Advisory, VDB Entry
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
- https://secuniaresearch.flexerasoftware.com/advisories/76125/Permissions Required
- https://secuniaresearch.flexerasoftware.com/secunia_research/2017-11/Patch, Third Party Advisory
- https://security.gentoo.org/glsa/201710-11Third Party Advisory
- http://git.savannah.gnu.org/gitweb/?p=libtasn1.git%3Ba=commit%3Bh=5520704d075802df25ce4ffccc010ba1641bd484
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00018.htmlBroken Link
- http://www.debian.org/security/2017/dsa-3861Third Party Advisory
- http://www.securityfocus.com/bid/98641Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038619Third Party Advisory, VDB Entry
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
- https://secuniaresearch.flexerasoftware.com/advisories/76125/Permissions Required
- https://secuniaresearch.flexerasoftware.com/secunia_research/2017-11/Patch, Third Party Advisory
- https://security.gentoo.org/glsa/201710-11Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.