2008-5178 | Opera Web Browser memory corruption (BID-32323 / XFDB-46653)
|CVSS Meta Temp Score
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|Current Exploit Price (≈)
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|CTI Interest Score
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A vulnerability, which was classified as very critical, has been found in Opera Web Browser 9.62 on Windows (Web Browser). Affected by this issue is some unknown processing. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. Impacted is confidentiality, integrity, and availability. CVE summarizes:
Heap-based buffer overflow in Opera 9.62 on Windows allows remote attackers to execute arbitrary code via a long file:// URI. NOTE: this might overlap CVE-2008-5680.
The weakness was presented 11/15/2008. This vulnerability is handled as CVE-2008-5178 since 11/20/2008. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details are unknown but an exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 08/03/2021).
After 2 days, there has been an exploit disclosed. It is declared as proof-of-concept. The exploit is available at exploit-db.com. As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 35185 (Opera Windows.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 8915.
VulDB Meta Base Score: 9.6
VulDB Meta Temp Score: 9.1
NVD Base Score: 🔍
Class: Memory corruption
Saint ID: exploit_info/opera_file_uri
Saint Name: Opera file URI buffer overflow
11/17/2008 +1 days 🔍
11/17/2008 +0 days 🔍
11/18/2008 +1 days 🔍
11/20/2008 +1 days 🔍
11/20/2008 +0 days 🔍
11/20/2008 +0 days 🔍
12/03/2008 +13 days 🔍
12/16/2008 +13 days 🔍
09/02/2014 +2086 days 🔍
03/17/2015 +196 days 🔍
08/03/2021 +2331 days 🔍Vendor: https://www.opera.com/
Status: Not defined
CVE: CVE-2008-5178 (🔍)
Vulnerability Center: 20125 – Opera <= 9.62 Buffer Overflow Remote DoS and Code Execution via a Long file:// URI., High
OSVDB: 49882 – Opera on Windows file:// URI Handling Overflow
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