CVE-2006-0645
Tiny ASN.1 Library (libtasn1) before 0.2.18, as used by (1) GnuTLS 1.2.x before 1.2.10 and 1.3.x before 1.3.4, and (2) GNU Shishi, allows attackers to crash the DER decoder and possibly execute arbitrary code via "out-of-bounds access" caused by invalid…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.89%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Tiny ASN.1 Library (libtasn1) before 0.2.18, as used by (1) GnuTLS 1.2.x before 1.2.10 and 1.3.x before 1.3.4, and (2) GNU Shishi, allows attackers to crash the DER decoder and possibly execute arbitrary code via "out-of-bounds access" caused by invalid input, as demonstrated by the ProtoVer SSL test suite.
- CVSS 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 3.89% probability · 90th percentile
- CISA KEV
- Not listed
- Affected
- free software foundation inc./libtasn1
- Source
- secalert@redhat.com
References
- http://josefsson.org/cgi-bin/viewcvs.cgi/gnutls/tests/certder.c?view=markup
- http://josefsson.org/cgi-bin/viewcvs.cgi/libtasn1/NEWS?root=gnupg-mirror&view=markup
- http://josefsson.org/gnutls/releases/libtasn1/libtasn1-0.2.18-from-0.2.17.patch
- http://lists.gnupg.org/pipermail/gnutls-dev/2006-February/001058.html
- http://lists.gnupg.org/pipermail/gnutls-dev/2006-February/001059.html
- http://lists.gnupg.org/pipermail/gnutls-dev/2006-February/001060.html
- http://rhn.redhat.com/errata/RHSA-2006-0207.html
- http://secunia.com/advisories/18794
- http://secunia.com/advisories/18815
- http://secunia.com/advisories/18830
- http://secunia.com/advisories/18832
- http://secunia.com/advisories/18898
- http://secunia.com/advisories/18918
- http://secunia.com/advisories/19080
- http://secunia.com/advisories/19092
- http://securityreason.com/securityalert/446
- http://securitytracker.com/id?1015612
- http://www.debian.org/security/2006/dsa-985
- http://www.debian.org/security/2006/dsa-986
- http://www.gentoo.org/security/en/glsa/glsa-200602-08.xml
- http://www.gleg.net/protover_ssl.shtml
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:039
- http://www.osvdb.org/23054
- http://www.redhat.com/archives/fedora-announce-list/2006-February/msg00043.html
- http://www.securityfocus.com/archive/1/424538/100/0/threaded
- http://www.securityfocus.com/bid/16568
- http://www.trustix.org/errata/2006/0008
- http://www.vupen.com/english/advisories/2006/0496
- https://exchange.xforce.ibmcloud.com/vulnerabilities/24606
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10540
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.