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Debian: 515-1 Moderate: LHA Buffer Overflows And Directory Traversal

debian
Calendar Grey June 8, 2004
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Debian Security Advisory DSA 515-1 This email address is being protected from spambots. You need Jav
Fixes multiple buffer overflows and multiple directory traversal vulnerabilities.

Summary

Two vulnerabilities were discovered in lha:

- CAN-2004-0234 - Multiple stack-based buffer overflows in the
get_header function in header.c for LHA 1.14 allow remote attackers or local users to execute arbitrary code via long directory or file
names in an LHA archive, which triggers the overflow when testing
or extracting the archive.

- CAN-2004-0235 - Multiple directory traversal vulnerabilities in LHA
1.14 allow remote attackers or local users to create arbitrary
files via an LHA archive containing filenames with (1) .. sequences
or (2) absolute pathnames with double leading slashes
("//absolute/path").

For the current stable distribution (woody), these problems have been
fixed in version 1.14i-2woody1.

For the unstable distribution (sid), these problems have been fixed in
version 1.14i-8.

We recommend that you update your lha package.

Upgrade Instructions
- --------------------

wget url
will fetch the file for you
dpkg -i file.deb
will install the referenced f...

Read the Full Advisory

Package: lha

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