Mehrere Probleme in Dnsmasq (Aktualisierung)
ID: | USN-3430-2 |
Distribution: | Ubuntu |
Plattformen: | Ubuntu 12.04 ESM |
Datum: | Di, 3. Oktober 2017, 22:04 |
Referenzen: | http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14493
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14496 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14495 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14491 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14494 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14492 |
Applikationen: | Dnsmasq |
Update von: | Mehrere Probleme in Dnsmasq |
Originalnachricht |
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--===============5545483434684992184== Content-Type: multipart/signed; micalg="pgp-sha256"; protocol="application/pgp-signature"; boundary="=-cKmZp1T+tZbBdZGHzzW7" --=-cKmZp1T+tZbBdZGHzzW7 Content-Type: text/plain; charset="UTF-8 Content-Transfer-Encoding: quoted-printable ========================================================================== Ubuntu Security Notice USN-3430-2 October 03, 2017 dnsmasq vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 12.04 ESM Summary: Several security issues were fixed in Dnsmasq. Software Description: - dnsmasq: Small caching DNS proxy and DHCP/TFTP server Details: USN-3430-1 fixed several vulnerabilities in Dnsmasq. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details:  Felix Wilhelm, Fermin J. Serna, Gabriel Campana and Kevin Hamacher  discovered that Dnsmasq incorrectly handled DNS requests. A remote  attacker could use this issue to cause Dnsmasq to crash, resulting in  a denial of service, or possibly execute arbitrary code.  (CVE-2017-14491)  Felix Wilhelm, Fermin J. Serna, Gabriel Campana and Kevin Hamacher  discovered that Dnsmasq incorrectly handled IPv6 router  advertisements. A remote attacker could use this issue to cause  Dnsmasq to crash, resulting in a denial of service, or possibly  execute arbitrary code. (CVE-2017-14492)  Felix Wilhelm, Fermin J. Serna, Gabriel Campana and Kevin Hamacher  discovered that Dnsmasq incorrectly handled DHCPv6 requests. A remote  attacker could use this issue to cause Dnsmasq to crash, resulting in  a denial of service, or possibly execute arbitrary code.  (CVE-2017-14493)  Felix Wilhelm, Fermin J. Serna, Gabriel Campana and Kevin Hamacher  discovered that Dnsmasq incorrectly handled DHCPv6 packets. A remote  attacker could use this issue to possibly obtain sensitive memory  contents. (CVE-2017-14494)  Felix Wilhelm, Fermin J. Serna, Gabriel Campana and Kevin Hamacher  discovered that Dnsmasq incorrectly handled DNS requests. A remote  attacker could use this issue to cause Dnsmasq to consume memory,  resulting in a denial of service. (CVE-2017-14495)  Felix Wilhelm, Fermin J. Serna, Gabriel Campana and Kevin Hamacher  discovered that Dnsmasq incorrectly handled DNS requests. A remote  attacker could use this issue to cause Dnsmasq to crash, resulting in  a denial of service. (CVE-2017-14496) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 12.04 ESM:  dnsmasq                         2.59-4ubuntu0.3  dnsmasq-base                    2.59-4ubuntu0.3  dnsmasq-utils                   2.59-4ubuntu0.3 After a standard system update you need to reboot your computer to make all the necessary changes. References:  https://www.ubuntu.com/usn/usn-3430-2  https://www.ubuntu.com/usn/usn-3430-1  CVE-2017-14491, CVE-2017-14492, CVE-2017-14493, CVE-2017-14494,  CVE-2017-14495, CVE-2017-14496 --ÜKmZp1T+tZbBdZGHzzW7 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAABCAAGBQJZ04b6AAoJEEW851uECx9pFlQP/iyLBrVH+NZ1KY6YCNA0NZ+N 9PbVu/PAAdHw291U1HZaIsO6m3F0k8uQrZMCM+Spxew4qk3ABv42YtmQJLBV9dlz KdhFuU6tAgUEWMsrY14VV4ly4YJh/ZriYpu6kOreKWx4H3/BhIYeiDIsstg+k+lx f6AuNsdq+6qERpaXuX5RzgH5E2ho3BXdneWwWL9wsr/mA/4/134xfp7JGzmBKMeB oxV22vDXyKqP03sM7TkNcQh8GQYfGqAcNxSTSFr1m/8wMynA2CejrvzuAWt2Hngp jx+PJiukywc/egdTdBoo5tTOBmsKWob27fHelyBP5agWQ80clW+d6B/67OcDl6bM f9qcMpzvUvLAXyeDR4ORxHEAxOtLBbEXbCarM5xprs6RVrqYPsBkMMCdF33m7XzB tzoe+yIENhMvYVr5rgGfivb1jNEJnVRaSo0ynSjnWfZPqnAYMQqOLcBDMP47kcJD sIPv3EdTRdoptf40zs1CUjHMnFO6Xvlhkvl0Z4iOoMUIJ34vfsrLB7Tx8tXLd3nH ygKFTruQxOwe5eJtT6DN9r4nkXuPe8OXAuylLBx9PUGT8QDVkJssaTMxm1K4u5P9 IHkgNnBGDiUampGzCo+xfWrHF5SbLEfEJvzPPQrM8MaggDC5qyUd6+Q/O87Qw+jT 1JzFFwGTO0ffiQjcW7e2 =VbmM -----END PGP SIGNATURE----- --=-cKmZp1T+tZbBdZGHzzW7-- --===============5545483434684992184== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline LS0gCnVidW50dS1zZWN1cml0eS1hbm5vdW5jZSBtYWlsaW5nIGxpc3QKdWJ1bnR1LXNlY3VyaXR5 LWFubm91bmNlQGxpc3RzLnVidW50dS5jb20KTW9kaWZ5IHNldHRpbmdzIG9yIHVuc3Vic2NyaWJl IGF0OiBodHRwczovL2xpc3RzLnVidW50dS5jb20vbWFpbG1hbi9saXN0aW5mby91YnVudHUtc2Vj dXJpdHktYW5ub3VuY2UK --===============5545483434684992184==-- |