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把本來 dehydrated 的 PPA 改成 dehydrated-lite

本來有做 dehydratedPPA (在「PPA for dehydrated : Gea-Suan Lin」這邊),後來在 17.10+ 就有更專業的人包進去了 (參考「Ubuntu – Package Search Results -- dehydrated」),為了避免名稱相同但是內容物差很多,我把 PPA 的名字換成 dehydrated-lite 了 (參考「PPA for dehydrated (lite) : Gea-Suan Lin」)。

然後 0.6.2 的 dehydrated 針對 ACMEv2 有修正,這在 0.6.1 時會產生 certificate 裡有多餘資訊 (而 PPA 版的 gslin/dehydrated 只會停留在 0.6.1),這點需要注意一下:

Don't walk certificate chain for ACMEv2 (certificate contains chain by default)

之後再找機會拔掉 gslin/dehydrated,也許會照著現在 APT 內的架構來做...

Node.js 預定在十月 24 號發表安全性更新

在「DOS security vulnerability, October 2017」這邊先發佈了日期與影響範圍,細節預定在 10/24 發表:

The Node.js project will be releasing new versions of 4.x, 6.x, and 8.x the week of the 24th of October to incorporate a security fix.

Versions 4.8.2 and later of Node.js are vulnerable.
Versions 6.10.2 and later of Node.js are vulnerable.
Versions 8.x of Node.js are vulnerable.

有心人應該可以去翻 4.8.2 改了什麼 (或是 6.10.2),不知道是不是跟前陣子的「V8 對 Hash Flooding 的防禦措施」有關...

cURL 接下來的安全性更新...

cURL 的維護老大放話要大家注意接下來的安全性更新:「An alert on the upcoming 7.51.0 release」。

最少 11 個安全性更新:

This release will bundle no less than _eleven_ security advisories and their associated fixes (unless we get more reported in the time we have left).

由於這些 security issue 的特性,會採取不公開的 branch 修正再 merge 回來,再加上這麼大的數量,對於穩定性的衝擊是未知的:

Merging eleven previously non-disclosed branches into master just before a release is not ideal but done so to minimize the security impact on existing users when the problems get known.

所以目前的規劃是會在 release 的 48 個小時前公開 (希望藉由這封信讓有能力的人一起集中來看),藉此來降低衝擊:

My plan is to merge them all into master and push around 48 hours before release, watch the autobuilds closesly, have a few extra coverity scans done and then fix up what's found before the release.

這安全更新的數量好像有點多 orz

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