CVE-2018-1000005 log
Source |
|
Severity | Medium |
Remote | Yes |
Type | Denial of service |
Description | libcurl contains an out bounds read in code handling HTTP/2 trailers. It was reported that reading an HTTP/2 trailer could mess up future trailers since the stored size was one byte less than required. The problem is that the code that creates HTTP/1-like headers from the HTTP/2 trailer data once appended a string like `":"` to the target buffer, while this was recently changed to `": "` (a space was added after the colon) but the associated math wasn't updated correspondingly. When accessed, the data is read out of bounds and causes either a crash or that the (too large) data gets passed to the libcurl callback. This might lead to a denial-of-service situation or an information disclosure if someone has a service that echoes back or uses the trailers for something. |
Group | Package | Affected | Fixed | Severity | Status | Ticket |
---|---|---|---|---|---|---|
AVG-598 | lib32-libcurl-compat | 7.57.0-1 | 7.58.0-1 | Medium | Fixed | |
AVG-597 | lib32-libcurl-gnutls | 7.57.0-1 | 7.58.0-1 | Medium | Fixed | |
AVG-596 | libcurl-gnutls | 7.57.0-1 | 7.58.0-1 | Medium | Fixed | |
AVG-595 | libcurl-compat | 7.57.0-1 | 7.58.0-1 | Medium | Fixed | |
AVG-594 | lib32-curl | 7.57.0-1 | 7.58.0-1 | Medium | Fixed | |
AVG-593 | curl | 7.57.0-1 | 7.58.0-1 | Medium | Fixed |
Date | Advisory | Group | Package | Severity | Type |
---|---|---|---|---|---|
29 Jan 2018 | ASA-201801-26 | AVG-598 | lib32-libcurl-compat | Medium | multiple issues |
29 Jan 2018 | ASA-201801-25 | AVG-597 | lib32-libcurl-gnutls | Medium | multiple issues |
29 Jan 2018 | ASA-201801-24 | AVG-596 | libcurl-gnutls | Medium | multiple issues |
29 Jan 2018 | ASA-201801-23 | AVG-595 | libcurl-compat | Medium | multiple issues |
29 Jan 2018 | ASA-201801-22 | AVG-594 | lib32-curl | Medium | multiple issues |
28 Jan 2018 | ASA-201801-20 | AVG-593 | curl | Medium | multiple issues |
References |
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https://curl.haxx.se/docs/adv_2018-824a.html https://github.com/curl/curl/commit/fa3dbb9a147488a2943bda809c66fc497efe06cb |