Bug 632231 (CVE-2017-14857, CVE-2017-14858, CVE-2017-14859, CVE-2017-14860, CVE-2017-14861, CVE-2017-14862, CVE-2017-14863, CVE-2017-14864, CVE-2017-14865, CVE-2017-14866) – <media-gfx/exiv2-0.26_p20171104: Multiple vulnerabilities

• Product: Gentoo Security
• Status: RESOLVED FIXED

[Description Aleksandr Wagner (Kivak) 2017-09-28 13:43:40 UTC]

CVE-2017-14866 (http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14866):

There is a heap-based buffer overflow in the Exiv2::s2Data function of types.cpp in Exiv2 0.26. A Crafted input will lead to a denial of service attack. 

References:

https://bugzilla.redhat.com/show_bug.cgi?id=1494781

CVE-2017-14865 (http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14865):

There is a heap-based buffer overflow in the Exiv2::us2Data function of types.cpp in Exiv2 0.26. A Crafted input will lead to a denial of service attack. 

References:

https://bugzilla.redhat.com/show_bug.cgi?id=1494778

CVE-2017-14864 (http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14864):

An Invalid memory address dereference was discovered in Exiv2::getULong in types.cpp in Exiv2 0.26. The vulnerability causes a segmentation fault and application crash, which leads to denial of service. 

References:

https://bugzilla.redhat.com/show_bug.cgi?id=1494467

[Comment 1 Aleksandr Wagner (Kivak) 2017-09-28 13:48:00 UTC]

CVE-2017-14858 (http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14858):

There is a heap-based buffer overflow in the Exiv2::l2Data function of types.cpp in Exiv2 0.26. A Crafted input will lead to a denial of service attack. 

References:

https://bugzilla.redhat.com/show_bug.cgi?id=1494782

CVE-2017-14857 (http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14857)

In Exiv2 0.26, there is an invalid free in the Image class in image.cpp that leads to a Segmentation fault. A crafted input will lead to a denial of service attack. 

References:

https://bugzilla.redhat.com/show_bug.cgi?id=1495043

[Comment 2 Andreas Sturmlechner 2017-10-13 08:45:34 UTC]

At least part of these CVEs is fixed in snapshot 0.26_p20171013.

[Comment 3 Andreas Sturmlechner 2017-10-23 23:41:24 UTC]

Current snapshot media-gfx/exiv2-0.26_p20171018 should be unaffected.

[Comment 4 Christopher Díaz Riveros (RETIRED) 2017-10-24 00:34:55 UTC]

(In reply to Andreas Sturmlechner from comment #3)
> Current snapshot media-gfx/exiv2-0.26_p20171018 should be unaffected.

Thank you Andreas, could you please call for stabilization here when ready?

[Comment 5 Andreas Sturmlechner 2017-11-19 15:30:47 UTC]

Cleanup done in git commit cdb23e8b3608be50daebdeb5d904b179a58d8339