CVE-2012-2840
Quick assessment
Affected
n/a n/a
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
libexif是一个使用C语言编写的函数库，用于从图形文件中读写EXIF元信息。 EXIF Tag Parsing Library （又名libexif） 0.6.21之前版本中的exif-entry.c内的exif_convert_utf16_to_utf8函数中存在Off-by-one漏洞。远程攻击者可利用该漏洞通过图像中的特制EXIF标签，导致拒绝服务或执行任意代码。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2012-2840
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Off-by-one error in the exif_convert_utf16_to_utf8 function in exif-entry.c in the EXIF Tag Parsing Library (aka libexif) before 0.6.21 allows remote attackers to cause a denial of service or possibly execute arbitrary code via crafted EXIF tags in an image.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Libexif ‘exif_convert_utf16_to_utf8’函数Off-by-one漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
libexif是一个使用C语言编写的函数库，用于从图形文件中读写EXIF元信息。 EXIF Tag Parsing Library （又名libexif） 0.6.21之前版本中的exif-entry.c内的exif_convert_utf16_to_utf8函数中存在Off-by-one漏洞。远程攻击者可利用该漏洞通过图像中的特制EXIF标签，导致拒绝服务或执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | n/a | n/a | - |
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II. Public POCs for CVE-2012-2840
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2012-2840 (5)
Mailing List Discussions for CVE-2012-2840 (1)
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http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00015.html vendor-advisory x_refsource_SUSE
Other References for CVE-2012-2840 (1)
Same Patch Batch · n/a · 2012-07-13 · 12 CVEs total
| CVE-2012-0283 | DokuWiki ‘ns’参数跨站脚本漏洞 | |
| CVE-2012-2278 | EMC RSA Authentication Manager 多个跨站脚本漏洞 | |
| CVE-2012-2279 | EMC RSA Authentication Manager 开放重定向漏洞 | |
| CVE-2012-2280 | EMC RSA Authentication Manager 框架脚本漏洞 | |
| CVE-2012-2812 | Libexif ‘exif_entry_get_value’函数缓冲区错误漏洞 | |
| CVE-2012-2813 | Libexif ‘exif_convert_utf16_to_utf8’函数缓冲区错误漏洞 | |
| CVE-2012-2814 | Libexif ‘exif_entry_format_value’函数缓冲区错误漏洞 | |
| CVE-2012-2836 | Libexif ‘exif_data_load_data’函数缓冲区错误漏洞 | |
| CVE-2012-2837 | Libexif ‘mnote_olympus_entry_get_value’函数数字错误漏洞 | |
| CVE-2012-2841 | Libexif ‘exif_entry_get_value’函数整数下溢漏洞 | |
| CVE-2012-2845 | Libexif ‘jpeg_data_load_data’函数数字错误漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2012-2840
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