April 2008 - Black Tuesday Overview
Overview of the April 2008 Microsoft patches and their status.
| # | Affected | Contra Indications | Known Exploits | Microsoft rating | ISC rating(*) | |
|---|---|---|---|---|---|---|
| clients | servers | |||||
| MS08-018 | Input validation vulnerability allows code execution when opening a malicious file. | |||||
| Project CVE-2008-1088 |
KB 950183 | No publicly known exploits | Critical | Critical | Important | |
| MS08-019 | Multiple input validation vulnerabilities allow code execution. Replaces MS07-030. |
|||||
| Visio CVE-2008-1089 CVE-2008-1090 |
KB 949032 |
No publicly known exploits | Important | Critical | Important | |
| MS08-020 | Windows' DNS client vulnerable to spoofing due to lack of entropy in a random number generator. | |||||
| DNS client CVE-2008-0087 |
KB 945553 | Update well published problem | Important | Critical | Critical | |
| MS08-021 |
Heap overflows in opening EMF and WMF images and file name based stack overflow in opening EMF files allow code execution. |
|||||
| GDI CVE-2008-1083 CVE-2008-1087 |
KB 948590 |
PoC available in for pay program Update April 10th: Symantec have reported non-working exploits in the wild. Update April 11th: Arbor networks is reporting exploits in the wild |
Critical | Update PATCH NOW |
Important | |
| MS08-022 | Javascript and visual basic script engines allow code execution. Replaces MS06-023. |
|||||
|
Scripting engines |
KB 944338 | Update PoC available in for pay program | Critical | Critical | Important | |
| MS08-023 | Memory corruption vulnerability in hxvz.dll and 3rd party killbit for a Yahoo! Music Jukebox activeX control that could allow code execution. | |||||
| ActiveX CVE-2008-1086 |
KB 948881 |
PoC exploits were posted on the internet | Critical | Critical | Important | |
| MS08-024 | Cumulative Internet Explorer patch. Adds protection for a memory corruption vulnerability leading to code execution when visiting a compromised or malicious web site. Replaces MS08-010. |
|||||
| MSIE CVE-2008-1085 |
KB 947864 | No publicly known exploits | Critical | Critical | Important | |
| MS08-025 | Input validation vulnerability in the windows kernel allows privilege escalation. | |||||
| Windows kernel CVE-2008-1084 |
KB 941693 |
Proof of concept available in a for pay program | Important | Critical | Critical | |
We will update issues on this page as they evolve.
We appreciate updates
US based customers can call Microsoft for free patch related support on 1-866-PCSAFETY
We appreciate updates
US based customers can call Microsoft for free patch related support on 1-866-PCSAFETY
(*): ISC rating
- We use 4 levels:
- PATCH NOW: Typically used where we see immediate danger of exploitation. Typical environments will want to deploy these patches ASAP. Workarounds are typically not accepted by users or are not possible. This rating is often used when typical deployments make it vulnerable and exploits are being used or easy to obtain or make.
- Critical: Anything that needs little to become "interesting" for the dark side. Best approach is to test and deploy ASAP. Workarounds can give more time to test.
- Important: Things where more testing and other measures can help.
- Less Urgent: Typically we expect the impact if left unpatched to be not that big a deal in the short term. Do not forget them however.
- The difference between the client and server rating is based on how you use the affected machine. We take into account the typical client and server deployment in the usage of the machine and the common measures people typically have in place already. Measures we presume are simple best practices for servers such as not using outlook, MSIE, word etc. to do traditional office or leisure work.
- The rating is not a risk analysis as such. It is a rating of importance of the vulnerability and the perceived or even predicted threat for affected systems. The rating does not account for the number of affected systems there are. It is for an affected system in a typical worst-case role.
- Only the organization itself is in a position to do a full risk analysis involving the presence (or lack of) affected systems, the actually implemented measures, the impact on their operation and the value of the assets involved.
- All patches released by a vendor are important enough to have a close look if you use the affected systems. There is little incentive for vendors to publicize patches that do not have some form of risk to them.
--
Swa Frantzen -- Gorilla Security
Symantec's Global Internet Security Threat Report
One of our readers wrote in that Symantec has released its Global Internet Security Threat Report Volume XIII. They also have a shorter executive summary.
I found the overview of the underground market interesting as it's something I like to use in awareness sessions:
| Goods and services | Percentage | Range of prices |
|---|---|---|
| Bank accounts | 22% | $10-$1000 |
| Credit cards | 13% | $0.40-$20 |
| Full identities | 9% | $1-$15 |
| eBay accounts | 7% | $1-$8 |
| Scams | 7% | $2.5/week - $50/week for hosting. $25 for design |
| Mailers | 6% | $1-$10 |
| Email addresses | 5% | $0.83/MB-$10/MB |
| Email passwords | 5% | $4-$30 |
| Drop (request or offer) | 5% | 10%-50% of total drop amount |
| Proxies | 5% | $1.50-$30 |
If you have found uncommon gems in the 105 page long report, feel free to point them out to us.
--
Swa Frantzen -- Gorilla Security
Keywords: report underground market
0 comment(s)
Notes file viewer vulnerabilities
IBM released a technote titled: "Potential security vulnerabilities in Lotus Notes file viewers for Applix Presents, Folio Flat File, HTML speed reader, KeyView and MIME".
The vulnerabilites center around attached files of many types:
- Text mail (MIME)
- HTML speed reader (.htm)
- Applix Presents (.ag)
- Folio Flat File (.fff)
- KeyView document viewing engine
Workarounds and on demand patches are available. Secunia (who reported the vulnerability to IBM) has an advisory on the same subject as well.
--
Swa Frantzen -- Gorilla Security
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<a hreaf="https://technolytical.com/">the social network</a> is described as follows because they respect your privacy and keep your data secure. The social networks are not interested in collecting data about you. They don't care about what you're doing, or what you like. They don't want to know who you talk to, or where you go.
<a hreaf="https://technolytical.com/">the social network</a> is not interested in collecting data about you. They don't care about what you're doing, or what you like. They don't want to know who you talk to, or where you go. The social networks only collect the minimum amount of information required for the service that they provide. Your personal information is kept private, and is never shared with other companies without your permission
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