Vulnerability Details : CVE-2010-0166
The gfxTextRun::SanitizeGlyphRuns function in gfx/thebes/src/gfxFont.cpp in the browser engine in Mozilla Firefox 3.6 before 3.6.2 on Mac OS X, when the Core Text API is used, does not properly perform certain deletions, which allows remote attackers to cause a denial of service (memory corruption and application crash) and possibly execute arbitrary code via an HTML document containing invisible Unicode characters, as demonstrated by the U+FEFF, U+FFF9, U+FFFA, and U+FFFB characters.
Vulnerability category: OverflowMemory CorruptionExecute codeDenial of service
Products affected by CVE-2010-0166
- cpe:2.3:a:mozilla:firefox:3.6:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2010-0166
7.95%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 94 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2010-0166
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.1
|
MEDIUM | AV:N/AC:H/Au:N/C:P/I:P/A:P |
4.9
|
6.4
|
NIST |
CWE ids for CVE-2010-0166
-
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-2010-0166
-
https://bugzilla.mozilla.org/show_bug.cgi?id=538065
538065 - (CVE-2010-0166) "ASSERTION: invalid array index" with glyphruns at YouTube
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http://www.mozilla.org/security/announce/2010/mfsa2010-11.html
Crashes with evidence of memory corruption (rv:1.9.2.2/ 1.9.1.8/ 1.9.0.18) — MozillaVendor Advisory
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https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14182
Repository / Oval Repository
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http://www.vupen.com/english/advisories/2010/0692
Webmail | OVH- OVH
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http://www.securityfocus.com/bid/38943
Mozilla Firefox 'gfxTextRun::SanitizeGlyphRuns()' Remote Memory Corruption Vulnerability
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http://www.securityfocus.com/bid/38918
RETIRED: Mozilla Firefox Thunderbird and Seamonkey MFSA 2010-09 through -15 Multiple Vulnerabilities
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