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Mandriva Linux Security Advisory 2007.210

Posted Nov 7, 2007

Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory - Integer overflow in the build_range function in X.Org X Font Server (xfs) before 1.0.5 allows context-dependent attackers to execute arbitrary code via (1) QueryXBitmaps and (2) QueryXExtents protocol requests with crafted size values, which triggers a heap-based buffer overflow. The swap_char2b function in X.Org X Font Server (xfs) before 1.0.5 allows context-dependent attackers to execute arbitrary code via (1) QueryXBitmaps and (2) QueryXExtents protocol requests with crafted size values that specify an arbitrary number of bytes to be swapped on the heap, which triggers heap corruption.

tags | advisory, overflow, arbitrary, protocol

systems | linux, mandriva

advisories | CVE-2007-4568, CVE-2007-4990

SHA-256 | 3590d95e704a2b4bb5d685df07d508326a9d5921828ec1b7d94910404cf25c19

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