diff options
Diffstat (limited to 'gnu/packages/patches/perl-dbd-mysql-CVE-2017-10788.patch')
| -rw-r--r-- | gnu/packages/patches/perl-dbd-mysql-CVE-2017-10788.patch | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/gnu/packages/patches/perl-dbd-mysql-CVE-2017-10788.patch b/gnu/packages/patches/perl-dbd-mysql-CVE-2017-10788.patch new file mode 100644 index 0000000000..74613cb632 --- /dev/null +++ b/gnu/packages/patches/perl-dbd-mysql-CVE-2017-10788.patch @@ -0,0 +1,62 @@ +Fix CVE-2017-10788: + +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-10788 + +Patch written to match corrected documentation specifications: + +Old: http://web.archive.org/web/20161220021610/https://dev.mysql.com/doc/refman/5.7/en/mysql-stmt-close.html +New: https://dev.mysql.com/doc/refman/5.7/en/mysql-stmt-close.html + +The patch itself is from https://github.com/perl5-dbi/DBD-mysql/issues/120#issuecomment-312420660. + +From 9ce10cfae7138c37c3a0cb2ba2a1d682482943d0 Mon Sep 17 00:00:00 2001 +From: Pali <pali@cpan.org> +Date: Sun, 25 Jun 2017 10:07:39 +0200 +Subject: [PATCH] Fix use-after-free after calling mysql_stmt_close() + +Ignore return value from mysql_stmt_close() and also its error message +because it points to freed memory after mysql_stmt_close() was called. +--- + dbdimp.c | 8 ++------ + mysql.xs | 7 ++----- + 2 files changed, 4 insertions(+), 11 deletions(-) + +diff --git a/dbdimp.c b/dbdimp.c +index c60a5f6..a6410e5 100644 +--- a/dbdimp.c ++++ b/dbdimp.c +@@ -4894,12 +4894,8 @@ void dbd_st_destroy(SV *sth, imp_sth_t *imp_sth) { + + if (imp_sth->stmt) + { +- if (mysql_stmt_close(imp_sth->stmt)) +- { +- do_error(DBIc_PARENT_H(imp_sth), mysql_stmt_errno(imp_sth->stmt), +- mysql_stmt_error(imp_sth->stmt), +- mysql_stmt_sqlstate(imp_sth->stmt)); +- } ++ mysql_stmt_close(imp_sth->stmt); ++ imp_sth->stmt= NULL; + } + #endif + +diff --git a/mysql.xs b/mysql.xs +index 55376e1..affde59 100644 +--- a/mysql.xs ++++ b/mysql.xs +@@ -434,11 +434,8 @@ do(dbh, statement, attr=Nullsv, ...) + if (bind) + Safefree(bind); + +- if(mysql_stmt_close(stmt)) +- { +- fprintf(stderr, "\n failed while closing the statement"); +- fprintf(stderr, "\n %s", mysql_stmt_error(stmt)); +- } ++ mysql_stmt_close(stmt); ++ stmt= NULL; + + if (retval == -2) /* -2 means error */ + { +-- +1.7.9.5 |