Medium severity · published Apr 5, 2017
CVE-2017-7448
The allocate_channel_framebuffer function in uncompressed_components.hh in Dropbox Lepton 1.2.1 allows remote attackers to cause a denial of service (divide-by-zero error and…
5.5
CVSS
1.2%
EPSS
No
On KEV
Description
The allocate_channel_framebuffer function in uncompressed_components.hh in Dropbox Lepton 1.2.1 allows remote attackers to cause a denial of service (divide-by-zero error and application crash) via a malformed JPEG image.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 68% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LE
Lepton · Dropbox
1.2.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-7448
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-7448
www.securityfocus.com
http://www.securityfocus.com/bid/97490
Patch
https://github.com/dropbox/lepton/commit/7789d99ac156adfd7bbf66e7824bd3e948a74cf7
Exploit
https://github.com/dropbox/lepton/issues/86
More from Lepton
7.8
CVE-2022-26181
Dropbox Lepton v1.2.1-185-g2a08b77 was discovered to contain a heap-buffer-overflow in the function aligned_dealloc():src/lepton/bitops.cc:108
7.8
CVE-2018-20819
io/ZlibCompression.cc in the decompression component in Dropbox Lepton 1.2.1 allows attackers to cause a denial of service (heap-based buffer overflow and application crash) or…
5.5
CVE-2018-20820
read_ujpg in jpgcoder.cc in Dropbox Lepton 1.2.1 allows attackers to cause a denial-of-service (application runtime crash because of an integer overflow) via a crafted file
5.5
CVE-2018-12108
An issue was discovered in Dropbox Lepton 1.2.1
5.5
CVE-2017-8891
Dropbox Lepton 1.2.1 allows DoS (SEGV and application crash) via a malformed lepton file because the code does not ensure setup of a correct number of threads
