gnutls security, bug fix, and enhancement update

2.12.23-21 - Upgraded to 2.12.23 to incorporate multiple TLS 1.2 fixes 1326389, 1326073, 1323215, 1320982, 1328205, 1321112 - Modified gnutls-serv to accept --sni-hostname 1333521 - Modified gnutls-serv to always reply with an alert message 1327656 - Removed support for DSA2 as it causes...

DEBIAN-CVE-2017-5335

The stream reading functions in lib/opencdk/read-packet.c in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allow remote attackers to cause a denial of service out-of-memory error and crash via a crafted OpenPGP certificate...

Double free

Double free vulnerability in the gnutlsx509extimportproxy function in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allows remote attackers to have unspecified impact via crafted policy language information in an X.509 certificate with a Proxy Certificate Information extension...

CVE-2017-5337

Multiple heap-based buffer overflows in the readattribute function in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allow remote attackers to have unspecified impact via a crafted OpenPGP certificate...

Heap overflow

Multiple heap-based buffer overflows in the readattribute function in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allow remote attackers to have unspecified impact via a crafted OpenPGP certificate...

CVE-2017-5337

Multiple heap-based buffer overflows in the readattribute function in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allow remote attackers to have unspecified impact via a crafted OpenPGP certificate...

CVE-2017-5336

Stack-based buffer overflow in the cdkpkgetkeyid function in lib/opencdk/pubkey.c in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allows remote attackers to have unspecified impact via a crafted OpenPGP certificate...

CVE-2017-5336

Stack-based buffer overflow in the cdkpkgetkeyid function in lib/opencdk/pubkey.c in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allows remote attackers to have unspecified impact via a crafted OpenPGP certificate...

DEBIAN-CVE-2017-5334

Double free vulnerability in the gnutlsx509extimportproxy function in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allows remote attackers to have unspecified impact via crafted policy language information in an X.509 certificate with a Proxy Certificate Information extension...

DEBIAN-CVE-2017-5337

Multiple heap-based buffer overflows in the readattribute function in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allow remote attackers to have unspecified impact via a crafted OpenPGP certificate...

CVE-2017-5335

The stream reading functions in lib/opencdk/read-packet.c in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allow remote attackers to cause a denial of service out-of-memory error and crash via a crafted OpenPGP certificate...

CVE-2017-5335

The stream reading functions in lib/opencdk/read-packet.c in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allow remote attackers to cause a denial of service out-of-memory error and crash via a crafted OpenPGP certificate...

Code injection

The stream reading functions in lib/opencdk/read-packet.c in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allow remote attackers to cause a denial of service out-of-memory error and crash via a crafted OpenPGP certificate...

CVE-2017-5334

Double free vulnerability in the gnutlsx509extimportproxy function in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allows remote attackers to have unspecified impact via crafted policy language information in an X.509 certificate with a Proxy Certificate Information extension...

CVE-2017-5334

Double free vulnerability in the gnutlsx509extimportproxy function in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allows remote attackers to have unspecified impact via crafted policy language information in an X.509 certificate with a Proxy Certificate Information extension...

Stack overflow

Stack-based buffer overflow in the cdkpkgetkeyid function in lib/opencdk/pubkey.c in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allows remote attackers to have unspecified impact via a crafted OpenPGP certificate...

gnutls security update

CentOS Errata and Security Advisory CESA-2017:0574 An update for gnutls is now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity...

CVE-2017-5337

CVE-2017-5337 is a GnuTLS vulnerability involving multiple heap-based buffer overflows in read_attribute triggered by crafted OpenPGP certificates. Affected versions are GnuTLS builds before 3.3.26 and 3.5.x before 3.5.8. The connected materials confirm the root cause as heap overflows in read_at...

CVE-2017-5335

GnuTLS CVE-2017-5335 affects the OpenPGP certificate handling in lib/opencdk/read-packet.c: streams reading certificates can trigger an out-of-memory crash via crafted OpenPGP data. Affected versions are GnuTLS before 3.3.26 and 3.5.x before 3.5.8. Multiple external advisories (CentOS, Red Hat, U...

CVE-2017-5336

Stack-based buffer overflow in the cdkpkgetkeyid function in lib/opencdk/pubkey.c in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allows remote attackers to have unspecified impact via a crafted OpenPGP certificate...