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Fencer Intel
medium 4.0

CVE-2013-3300 json

Lift Sensitive Information Disclosure

published 13y ago modified 4mo ago also GHSA-jf9v-fxfq-wm76 , EUVD-2022-4344

cvss
4.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 74%
public exploits
0
none known

Summary

The JsonParser class in json/JsonParser.scala in Lift before 2.5 interprets a certain end-index value as a length value, which allows remote authenticated users to obtain sensitive information from other users' sessions via invalid input data containing a < (less than) character.

Patch / fix

  • maven net.liftweb:lift-webkit_2.9.1 2.5

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Exploit prediction

1.48% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/lift/framework/commit/099d9c86cf6d81f4953957add478ab699946e601 referenced PoC, tagged "exploit" by a source, unverified
  • blog.addepar.com http://blog.addepar.com/2013/07/an-atypical-web-vulnerability.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:P/I:N/A:N

Affected packages

ecosystem package affected fixed in
maven net.liftweb:lift-webkit
all versions
no fix listed
maven net.liftweb:lift-webkit_2.7.7
all versions
no fix listed
maven net.liftweb:lift-webkit_2.8.0
all versions
no fix listed
maven net.liftweb:lift-webkit_2.8.1
all versions
no fix listed
maven net.liftweb:lift-webkit_2.8.2
all versions
no fix listed
maven net.liftweb:lift-webkit_2.9.0
all versions
no fix listed
maven net.liftweb:lift-webkit_2.9.0-1
all versions
no fix listed
maven net.liftweb:lift-webkit_2.9.1
<2.5
2.5

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.