Kod programske biblioteke libtiff otkrivene su i ispravljene tri sigurnosne ranjivosti. Zlonamjerni napadači su ih mogli iskoristiti za proizvoljno izvršavanje programskog koda s privilegijama korisnika koji je pokrenuo program i napad uskraćivanjem usluga.
Paket:
LibTIFF 3.x
Operacijski sustavi:
Fedora 16, Fedora 17
Kritičnost:
5.9
Problem:
cjelobrojno prepisivanje, preljev međuspremnika
Iskorištavanje:
udaljeno
Posljedica:
dobivanje većih privilegija, proizvoljno izvršavanje programskog koda, uskraćivanje usluga (DoS)
Rješenje:
programska zakrpa proizvođača
CVE:
CVE-2012-2088, CVE-2012-2113, CVE-2012-1173
Izvorni ID preporuke:
FEDORA-2012-10089
Izvor:
Fedora
Problem:
U radu programskog paketa uočeno je da dolazi do všestrukih preljeva međuspremnika i cjelobrojnih prepisivanja u datoteci tiff_getimage.c i tiff2pdf alatu.
Posljedica:
Navedene propuste udaljeni napadači mogu iskoristiti za proizvoljno pokretanje programskog koda s ovlastima korisnika koji je pokrenuo program i napad uskraćivanjem usluga (eng. Denial of Service, DoS).
Rješenje:
Kao rješenje problema sigurnosti preporuča se korištenje ispravljene inačice ranjivog paketa.
--------------------------------------------------------------------------------
Fedora Update Notification
FEDORA-2012-10089
2012-06-30 21:29:41
--------------------------------------------------------------------------------
Name : libtiff
Product : Fedora 16
Version : 3.9.6
Release : 1.fc16
URL : http://www.remotesensing.org/libtiff/
Summary : Library of functions for manipulating TIFF format image files
Description :
The libtiff package contains a library of functions for manipulating
TIFF (Tagged Image File Format) image format files. TIFF is a widely
used file format for bitmapped images. TIFF files usually end in the
.tif extension and they are often quite large.
The libtiff package should be installed if you need to manipulate TIFF
format image files.
--------------------------------------------------------------------------------
Update Information:
Update to libtiff 3.9.6, and add patches for CVE-2012-2088, CVE-2012-2113
--------------------------------------------------------------------------------
ChangeLog:
* Thu Jun 28 2012 Tom Lane <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.> 3.9.6-1
- Update to libtiff 3.9.6, and add patches for CVE-2012-2088, CVE-2012-2113
Resolves: #832866
* Thu Apr 5 2012 Tom Lane <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.> 3.9.5-3
- Add fix for CVE-2012-1173
Resolves: #CVE-2012-1173
--------------------------------------------------------------------------------
References:
[ 1 ] Bug #810551 - CVE-2012-2113 libtiff: integer overflow in tiff2pdf
leading to heap-buffer overflow when reading a tiled tiff file
https://bugzilla.redhat.com/show_bug.cgi?id=810551
[ 2 ] Bug #832864 - CVE-2012-2088 libtiff: Type conversion flaw leading to
heap-buffer overflow
https://bugzilla.redhat.com/show_bug.cgi?id=832864
--------------------------------------------------------------------------------
This update can be installed with the "yum" update program. Use
su -c 'yum update libtiff' at the command line.
For more information, refer to "Managing Software with yum",
available at http://docs.fedoraproject.org/yum/.
All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/keys
--------------------------------------------------------------------------------
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package-announce mailing list
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--------------------------------------------------------------------------------
Fedora Update Notification
FEDORA-2012-10081
2012-06-30 21:29:11
--------------------------------------------------------------------------------
Name : libtiff
Product : Fedora 17
Version : 3.9.6
Release : 1.fc17
URL : http://www.remotesensing.org/libtiff/
Summary : Library of functions for manipulating TIFF format image files
Description :
The libtiff package contains a library of functions for manipulating
TIFF (Tagged Image File Format) image format files. TIFF is a widely
used file format for bitmapped images. TIFF files usually end in the
.tif extension and they are often quite large.
The libtiff package should be installed if you need to manipulate TIFF
format image files.
--------------------------------------------------------------------------------
Update Information:
Update to libtiff 3.9.6, and add patches for CVE-2012-2088, CVE-2012-2113
--------------------------------------------------------------------------------
ChangeLog:
* Thu Jun 28 2012 Tom Lane <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.> 3.9.6-1
- Update to libtiff 3.9.6, and add patches for CVE-2012-2088, CVE-2012-2113
Resolves: #832866
--------------------------------------------------------------------------------
References:
[ 1 ] Bug #810551 - CVE-2012-2113 libtiff: integer overflow in tiff2pdf
leading to heap-buffer overflow when reading a tiled tiff file
https://bugzilla.redhat.com/show_bug.cgi?id=810551
[ 2 ] Bug #832864 - CVE-2012-2088 libtiff: Type conversion flaw leading to
heap-buffer overflow
https://bugzilla.redhat.com/show_bug.cgi?id=832864
--------------------------------------------------------------------------------
This update can be installed with the "yum" update program. Use
su -c 'yum update libtiff' at the command line.
For more information, refer to "Managing Software with yum",
available at http://docs.fedoraproject.org/yum/.
All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/keys
--------------------------------------------------------------------------------
_______________________________________________
package-announce mailing list
Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.
https://admin.fedoraproject.org/mailman/listinfo/package-announce
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