68773 : Pidgin Multiple Protocol Plugin purple_base64_decode() Function Base64 Encoded Message NULL Dereference Remote DoS
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Views This Week Views All Time Added to OSVDB Last Modified Modified (since 2008) Percent Complete
13 1194 over 2 years ago about 2 years ago 10 times 100%

Timeline

Disclosure Date
2010-10-20

Description

Pidgin contains a flaw that may allow a remote denial of service. The issue is triggered the 'purple_base64_decode()' function's return value is not validated properly, which may be exploited to cause a NULL pointer dereference error via crafted Base64 encoded messages, resulting in a loss of availability.

Classification

Location: Remote / Network Access
Attack Type: Denial of Service
Impact: Loss of Availability
Solution: Patch / RCS
Exploit: Exploit Public
Disclosure: Vendor Verified

Solution

Upgrade to version 2.7.4 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Pidgin
Pidgin
2.7.3

References

Tools & Filters

54891

Credit

CVSSv2 Score

CVSSv2 Base Score = 4.0
Source: nvd.nist.gov | Generated: 2010-10-28 | Disagree?

Access_vector_2 Access_complexity_2 Authentication_1 Confidentiality_impact_0 Integrity_impact_0 Availability_impact_1

Comments

No Comments.

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