by Kastro
Paper/Archive/CVE-2023-29542

CVE-2023-29542

Mozilla Firefox — A newline in a filename could have been used to bypass the file extension security mechanisms that replace malicious file extensions such…

EPSS 0.9%CVSS 9.8
critical.is priorityof 100
42
CVSS 9.8 (ADP, NVD agree)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 60.9.609 × 2012.2No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

A newline in a filename could have been used to bypass the file extension security mechanisms that replace malicious file extensions such as .lnk with .download. This could have led to accidental execution of malicious code. *This bug only affects Firefox and Thunderbird on Windows. Other versions of Firefox and Thunderbird are unaffected.* This vulnerability affects Firefox < 112, Firefox ESR < 102.10, and Thunderbird < 102.10.

Affected

ProductAffectedFixed inSource
Firefoxunspecified – < 112112CNA
Firefox ESRunspecified – < 102.10102.10CNA
Thunderbirdunspecified – < 102.10102.10CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refbugzilla.mozilla.org/show_bug.cgi?id=1810793refbugzilla.mozilla.org/show_bug.cgi?id=1815062refmozilla.org/security/advisories/mfsa2023-13refmozilla.org/security/advisories/mfsa2023-14refmozilla.org/security/advisories/mfsa2023-15