23054 : GnuTLS libtasn1 DER Decoding Overflow DoS
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Info

Last Modified

about 1 year ago

Percent Complete

35%

Disclosure

Feb 09, 2006

Discovery

Jan 31, 2006

Dates

Exploit

Unknown

Solution

Unknown

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Keywords

No Keywords

Description

(Description Provided by CVE) : Tiny ASN.1 Library (libtasn1) before 0.2.18, as used by (1) GnuTLS 1.2.x before 1.2.10 and 1.3.x before 1.3.4, and (2) GNU Shishi, allows attackers to crash the DER decoder and possibly execute arbitrary code via "out-of-bounds access" caused by invalid input, as demonstrated by the ProtoVer SSL test suite.

Classification

Attack Type: Denial of Service, Input Manipulation
Impact: Loss of Availability

Solution

Upgrade to version 0.2.18 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Unknown or Incomplete

References

Tools & Filters

Nessus

20884 20886 20897 21060 22851 22852

Credit

Unknown or Incomplete

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