Nacionalni CERT

Sigurnosni nedostatak programske biblioteke libffi

<p>==========================================================================<br />Ubuntu Security Notice USN-3454-1<br />October 12, 2017<br /><br />libffi vulnerability<br />==========================================================================<br /><br />A security issue affects these releases of Ubuntu and its derivatives:<br /><br />- Ubuntu 14.04 LTS<br /><br />Summary:<br /><br />A security issue was fixed in libffi.<br /><br />Software Description:<br />- libffi: Foreign Function Interface library<br /><br />Details:<br /><br />It was discovered that libffi incorrectly enforced an executable stack. An<br />attacker could possibly use this issue, in combination with another<br />vulnerability, to facilitate executing arbitrary code.<br /><br />Update instructions:<br /><br />The problem can be corrected by updating your system to the following<br />package versions:<br /><br />Ubuntu 14.04 LTS:<br /> libffi6 3.1~rc1+r3.0.13-12ubuntu0.2<br /><br />In general, a standard system update will make all the necessary changes.<br /><br />References:<br /> https://www.ubuntu.com/usn/usn-3454-1<br /> CVE-2017-1000376<br /><br />Package Information:<br /> https://launchpad.net/ubuntu/+source/libffi/3.1~rc1+r3.0.13-12ubuntu0.2<br /><br /><br />-----BEGIN PGP SIGNATURE-----<br />Version: GnuPG v2<br /><br />iQIcBAEBCgAGBQJZ375fAAoJEGVp2FWnRL6TXvcP/38JUDYTwqaCtmBUpVJTQT9m<br />fCkbybQB6U3VnZ7T61AqFaAaJJ+hPePiJ1AL6tL6DV9g0EFkOi/6ihsf4mh7rkaQ<br />J1g9rcIVrKUa5ZmNwMSSDQxIisuRGvb2rFj0RmJeilZx/zxhppuM15gRS91ofZP+<br />eDwCl3mpMF31bdWsniJJA/KBVG7DvY0qIsZZ0G+AMBXxl8PYKLITOvOLnehPdzDu<br />Yo13V+CYOPsKm+if1D0Lrg3kjF+ct7W1INX0KQyi22imFhmww4bglllqZ7NlBsaE<br />p2QatsfxE08Dy757Sy4adUUgH2zC6KrcAzOZETtKWgU/QvmsUe73dKen5SKqNDxg<br />LhVhqactPWG0VKrGztz4/tL+Q8HgVqT4rEseS10asKV6RnmmdQLIT7OAtaFJvWT/<br />Rv7qAWeW5FL7UQgxMCTeaugzJvinGdulhr3AnnZPUhnZyQ5zxTe3s99eRqw8nO3H<br />rkQ83xGRbCA3Y5gGK9vt3fbyw49RvaloHyUiD2ZqJWzG3h6FVgVvPSdDgMgCobxd<br />aG31O/WT1r3NiVcS9XQqdp0wL08SkJtiMcEd+aGm+4JsS15y/njk/+xbSEfSUqKb<br />z5HjEZqiWZ/Ci85TFI439dv5SQIsKr+oXD+Ip+R+fLnS8aDq2m9qJFQr0S/GaGeK<br />dGmTVUT7aNbGNJgJ1g/c<br />=FjrH<br />-----END PGP SIGNATURE-----<br />--</p>
Otkriven je sigurnosni nedostatak u programskoj biblioteci libffi za operacijski sustav Ubuntu 14.04 LTS. Otkriveni nedostatak potencijalnim napadačima omogućuje izvršavanje proizvoljnog programskog koda. Savjetuje se ažuriranje izdanim zakrpama.