File: 3133.txt

package info (click to toggle)
snort 2.9.7.0-5
  • links: PTS, VCS
  • area: main
  • in suites: buster, sid, stretch
  • size: 55,000 kB
  • ctags: 38,464
  • sloc: ansic: 266,667; sh: 12,508; makefile: 2,908; yacc: 497; perl: 496; lex: 261; sed: 14
file content (62 lines) | stat: -rw-r--r-- 1,320 bytes parent folder | download | duplicates (6)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
Rule:

--
Sid:
3133

--
Summary:
This event is generated when an attempt is made to exploit a buffer overflow
associated with the processing of a Portable Network Graphics (PNG) file by
the GD Graphics Library.

--
Impact:
A successful attack may cause a denial of service or a buffer overflow and the
subsequent execution of arbitrary code on a vulnerable server.

--
Detailed Information:
A vulnerability exists in the way that software that handles PNG files,
libpng, allocates memory for PNG images. A maliciously formatted PNG
image sent to a vulnerable server may cause a buffer overflow and the
subsequent execution of arbitrary code on a vulnerable server.  A
PNG file with an excessively large image height, width, or depth, or
combination of these can cause a buffer overflow.

--
Affected Systems:
	GD Graphics Library 2.0.28 and earlier

--
Attack Scenarios:
An attacker can create a malformed PNG file and upload it to a web server,
possibly causing a buffer overflow.

--
Ease of Attack:
Simple.

--
False Positives:
None known.

--
False Negatives:
None known.

--
Corrective Action:
Upgrade to the latest non-affected version of the software.

Apply the appropriate vendor supplied patches.

--
Contributors:
Sourcefire Research Team
Judy Novak <judy.novak@sourcefire.com>

--
Additional References:

--