Mandriva Linux Security Advisory 2014-034 - The yaml_parser_scan_tag_uri function in scanner.c in LibYAML before 0.1.5 performs an incorrect cast, which allows remote attackers to cause a denial of service and possibly execute arbitrary code via crafted tags in a YAML document, which triggers a heap-based buffer overflow. The updated packages have been upgraded to the 0.1.5 version which is not vulnerable to this issue.
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Mandriva Linux Security Advisory MDVSA-2014:034
http://www.mandriva.com/en/support/security/
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Package : yaml
Date : February 14, 2014
Affected: Business Server 1.0
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Problem Description:
A vulnerability has been discovered and corrected in yaml:
The yaml_parser_scan_tag_uri function in scanner.c in LibYAML before
0.1.5 performs an incorrect cast, which allows remote attackers to
cause a denial of service (application crash) and possibly execute
arbitrary code via crafted tags in a YAML document, which triggers
a heap-based buffer overflow (CVE-2013-6393).
The updated packages have been upgraded to the 0.1.5 version which
is not vulnerable to this issue.
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References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-6393
https://bitbucket.org/xi/libyaml/commits/tag/0.1.5
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Updated Packages:
Mandriva Business Server 1/X86_64:
1e4b37eb517ff916bc1a4079fc67644c mbs1/x86_64/lib64yaml0_2-0.1.5-1.mbs1.x86_64.rpm
3ef60ab7c95691aafd2cbba52d04da9e mbs1/x86_64/lib64yaml-devel-0.1.5-1.mbs1.x86_64.rpm
1198a9ddddd1904527bb54428bd0aff0 mbs1/SRPMS/yaml-0.1.5-1.mbs1.src.rpm
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To upgrade automatically use MandrivaUpdate or urpmi. The verification
of md5 checksums and GPG signatures is performed automatically for you.
All packages are signed by Mandriva for security. You can obtain the
GPG public key of the Mandriva Security Team by executing:
gpg --recv-keys --keyserver pgp.mit.edu 0x22458A98
You can view other update advisories for Mandriva Linux at:
http://www.mandriva.com/en/support/security/advisories/
If you want to report vulnerabilities, please contact
security_(at)_mandriva.com
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Type Bits/KeyID Date User ID
pub 1024D/22458A98 2000-07-10 Mandriva Security Team
<security*mandriva.com>
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