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Fix 'CVE-2018-16839'

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Merge: curl/curl@f3a24d7916
This commit is contained in:
Kawe Mazidjatari 2023-06-12 20:37:57 +02:00
parent 1e4843fda3
commit a022f81bc4
1 changed files with 3 additions and 9 deletions
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12
r5dev/thirdparty/curl/vauth/cleartext.c vendored
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@ -73,16 +73,10 @@ CURLcode Curl_auth_create_plain_message(struct Curl_easy *data,
ulen = strlen(userp); ulen = strlen(userp);
plen = strlen(passwdp); plen = strlen(passwdp);
/* Compute binary message length, checking for overflows. */ /* Compute binary message length. Check for overflows. */
plainlen = 2 * ulen; if((ulen > SIZE_T_MAX/4) || (plen > (SIZE_T_MAX/2 - 2)))
if(plainlen < ulen)
return CURLE_OUT_OF_MEMORY;
plainlen += plen;
if(plainlen < plen)
return CURLE_OUT_OF_MEMORY;
plainlen += 2;
if(plainlen < 2)
return CURLE_OUT_OF_MEMORY; return CURLE_OUT_OF_MEMORY;
plainlen = 2 * ulen + plen + 2;
plainauth = malloc(plainlen); plainauth = malloc(plainlen);
if(!plainauth) if(!plainauth)