Buffer Overrun

Andras Fekete · Andras Fekete · commit d164a6c54321 · 2024-01-03T10:00:31.000-05:00
Warning 545843.5806721
diff --git a/src/x509.c b/src/x509.c
@@ -11173,7 +11173,7 @@ int wolfSSL_i2d_X509_NAME(WOLFSSL_X509_NAME* name, unsigned char** out)
         pemSz = (int)(l - i);
 
         /* check calculated length */
-        if (pemSz > MAX_WOLFSSL_FILE_SIZE || pemSz < 0) {
+        if (pemSz > MAX_WOLFSSL_FILE_SIZE || pemSz <= 0) {
             WOLFSSL_MSG("PEM_read_X509_ex file size error");
             return NULL;
         }

Original file line number	Diff line number	Diff line change
`@@ -11173,7 +11173,7 @@ int wolfSSL_i2d_X509_NAME(WOLFSSL_X509_NAME* name, unsigned char** out)`
`11173`	`11173`	`pemSz = (int)(l - i);`
`11174`	`11174`
`11175`	`11175`	`/* check calculated length */`
`11176`		`- if (pemSz > MAX_WOLFSSL_FILE_SIZE \|\| pemSz < 0) {`
	`11176`	`+ if (pemSz > MAX_WOLFSSL_FILE_SIZE \|\| pemSz <= 0) {`
`11177`	`11177`	`WOLFSSL_MSG("PEM_read_X509_ex file size error");`
`11178`	`11178`	`return NULL;`
`11179`	`11179`	`}`