Vulnerability Details : CVE-2015-7802
gifread.c in gif2png, as used in OptiPNG before 0.7.6, allows remote attackers to cause a denial of service (uninitialized memory read) via a crafted GIF file.
Vulnerability category: OverflowDenial of service
Products affected by CVE-2015-7802
- cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:a:optipng_project:optipng:0.7.5:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2015-7802
0.77%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 79 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2015-7802
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
5.5
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2015-7802
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2015-7802
-
http://www.ubuntu.com/usn/USN-2951-1
USN-2951-1: OptiPNG vulnerabilities | Ubuntu security notices
-
http://optipng.sourceforge.net/history.txt
Vendor Advisory
-
https://sourceforge.net/p/optipng/bugs/53/
OptiPNG / Bugs / #53 Buffer overflow in global memory affecting optipng 0.7.5
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