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libexif Integer Overflow and Denial of Service
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Secunia Advisory:
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SA28076
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Release Date:
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2007-12-20
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Popularity:
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5,472 views
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Critical:
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Moderately critical
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Impact:
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DoS
System access
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Where:
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From remote
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Solution Status:
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Vendor Workaround
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| Software: | libexif 0.x
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| CVE reference: | CVE-2007-6351
CVE-2007-6352
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Description:
Two vulnerabilities have been reported in libexif, which can be exploited by malicious people to cause a DoS (Denial of Service) or to compromise an application using the library.
1) An integer overflow error in the "exif_data_load_data_thumbnail()" function in exif-data.c when processing exif image tags can be exploited to cause a memory corruption and may allow execution of arbitrary code via a specially crafted exif file.
2) An infinite recursion error in the "exif_loader_write()" function in exif-loader.c when handling exif image tags can be exploited to cause an application to crash via a specially crafted exif file.
Solution:
Fixed in the CVS repository.
Provided and/or discovered by:
The vendor credits Meder Kydyraliev, Google Security Team. Reported in a Red Hat advisory.
Original Advisory:
https://rhn.redhat.com/errata/RHSA-2007-1165.html
http://rhn.redhat.com/errata/RHSA-2007-1166.html
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