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Alerts This Week
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Debian Wheezy: DLA-1297-1 Moderate: FreeXL Buffer Over-Read Threat

debian lts
Calendar Grey March 1, 2018
Dist Debian Esm H88
Enhance freexl in response to five heap-related buffer over-read concerns linked to CVE-2018 vulnerabilities within Debian systems.
Leon reported five heap-based buffer-overflow vulnerabilities in FreeXL
Topics%20covered

Topics Covered

security advisory moderate security update Debian heap overflow buffer over-read FreeXL

Summary

CVE-2018-7435

There is a heap-based buffer over-read in the freexl::destroy_cell
function.

CVE-2018-7436

There is a heap-based buffer over-read in a pointer dereference of
the parse_SST function.

CVE-2018-7437

There is a heap-based buffer over-read in a memcpy call of the
parse_SST function.

CVE-2018-7438

There is a heap-based buffer over-read in the parse_unicode_string
function.

CVE-2018-7439

There is a heap-based buffer over-read in the function
read_mini_biff_next_record.

For Debian 7 "Wheezy", these problems have been fixed in version
1.0.0b-1+deb7u5.

We recommend that you upgrade your freexl packages.

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS


Severity
important
Lowest
Low
Medium
High
Critical

Package: freexl
Version: 1.0.0b-1+deb7u5
CVE ID: CVE-2018-7435 CVE-2018-7436 CVE-2018-7437 CVE-2018-7438

Topics%20covered

Topics Covered

security advisory moderate security update Debian heap overflow buffer over-read FreeXL

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