An issue was discovered in FreeXL before 1.0.5. There is a heap-based buffer over-read in a pointer dereference of the parse_SST function.

The remote Redhat Enterprise Linux 8 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched.

  - freexl: heap-based buffer over-read in the function read_mini_biff_next_record (CVE-2018-7439)

  - An issue was discovered in FreeXL before 1.0.5. There is a heap-based buffer over-read in the     freexl::destroy_cell function. (CVE-2018-7435)

  - An issue was discovered in FreeXL before 1.0.5. There is a heap-based buffer over-read in a pointer     dereference of the parse_SST function. (CVE-2018-7436)

Note that Nessus has not tested for these issues but has instead relied on the package manager's report that the package is installed.

The remote host is affected by the vulnerability described in GLSA-202007-44 (FreeXL: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in FreeXL. Please review       the CVE identifiers referenced below for details.
  Impact :

    Please review the referenced CVE identifiers for details.
  Workaround :

    There is no known workaround at this time.

Multiple heap buffer over reads were discovered in freexl, a library to read Microsoft Excel spreadsheets, which could result in denial of service.

This update for freexl fixes the following issues :

freexl was updated to version 1.0.5 :

  - No changelog provided by upstream

  - Various heapoverflows in 1.0.4 have been fixed :

  - CVE-2018-7439: heap-buffer-overflow in freexl.c:3912     read_mini_biff_next_record (boo#1082774)

  - CVE-2018-7438: heap-buffer-overflow in freexl.c:383     parse_unicode_string (boo#1082775)

  - CVE-2018-7437: heap-buffer-overflow in freexl.c:1866     parse_SST(boo#1082776)

  - CVE-2018-7436: heap-buffer-overflow in freexl.c:1805     parse_SST parse_SST (boo#1082777)

  - CVE-2018-7435: heap-buffer-overflow in     freexl::destroy_cell (boo#1082778)

Leon reported five heap-based buffer-overflow vulnerabilities in FreeXL.

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.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Severity
199574	RHEL 8 : freexl (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	high
138967	GLSA-202007-44 : FreeXL: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	high
107121	Debian DSA-4129-1 : freexl - security update	Nessus	Debian Local Security Checks	high
107113	openSUSE Security Update : freexl (openSUSE-2018-217)	Nessus	SuSE Local Security Checks	high
107105	Debian DLA-1297-1 : freexl security update	Nessus	Debian Local Security Checks	high

Detections

Analytics

CVE-2018-7436

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Tenable Plugins

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