82675 : Mozilla Multiple Product Network Security Services ASN.1 Decoder Zero Length Item OCSP Response Handling Remote DoS
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Timeline

Disclosure Date
2012-06-05

Description

Multiple Mozilla products contain a flaw in the ASN.1 decoder in the QuickDER decoder of Mozilla Network Security Services that may allow a remote denial of service. The issue is triggered when handling a zero-length basic constraint or a zero-length field in an OCSP response. This will result in a loss of availability for the program.

Classification

Location: Remote / Network Access
Impact: Loss of Availability
Solution: Upgrade
Exploit: Exploit Unknown
Disclosure: Vendor Verified, Coordinated Disclosure
OSVDB: Web Related

Solution

Upgrade Firefox or Thunderbird to version 13 or 10.0.5 for ESR, SeaMonkey to version 2.10 or higher, and Network Security Services to version 3.13.4 or higher, as they have been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Mozilla Organization
Firefox
12.0
Thunderbird
12.0
SeaMonkey
2.9
Firefox ESR
10.0.4
Thunderbird ESR
10.0.4

References

Credit

CVSSv2 Score

CVSSv2 Base Score = 5.0
Source: nvd.nist.gov | Generated: 2012-06-06 | Disagree?

Access_vector_2 Access_complexity_2 Authentication_2 Confidentiality_impact_0 Integrity_impact_0 Availability_impact_1

Comments

No Comments.

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