diff options
Diffstat (limited to 'poky/meta/recipes-devtools/perl/perl/CVE-2018-6797.patch')
| -rw-r--r-- | poky/meta/recipes-devtools/perl/perl/CVE-2018-6797.patch | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/poky/meta/recipes-devtools/perl/perl/CVE-2018-6797.patch b/poky/meta/recipes-devtools/perl/perl/CVE-2018-6797.patch new file mode 100644 index 000000000..b56ebd3ea --- /dev/null +++ b/poky/meta/recipes-devtools/perl/perl/CVE-2018-6797.patch @@ -0,0 +1,45 @@ +From abe1e6c568b96bcb382dfa4f61c56d1ab001ea51 Mon Sep 17 00:00:00 2001 +From: Karl Williamson <khw@cpan.org> +Date: Fri, 2 Feb 2018 15:14:27 -0700 +Subject: [PATCH] (perl #132227) restart a node if we change to uni rules + within the node and encounter a sharp S + +This could lead to a buffer overflow. + +(cherry picked from commit a02c70e35d1313a5f4e245e8f863c810e991172d) + +CVE: CVE-2018-6797 +Upstream-Status: Backport [https://perl5.git.perl.org/perl.git/commitdiff/abe1e6c568b96bcb382dfa4f61c56d1ab001ea51] + +Signed-off-by: Jagadeesh Krishnanjanappa <jkrishnanjanappa@mvista.com> +--- + regcomp.c | 12 ++++++++++++ + 1 file changed, 12 insertions(+) + +diff --git a/regcomp.c b/regcomp.c +index 3b9550b10d..a7dee9a09e 100644 +--- a/regcomp.c ++++ b/regcomp.c +@@ -13543,6 +13543,18 @@ S_regatom(pTHX_ RExC_state_t *pRExC_state, I32 *flagp, U32 depth) + * /u. This includes the multi-char fold SHARP S to + * 'ss' */ + if (UNLIKELY(ender == LATIN_SMALL_LETTER_SHARP_S)) { ++ ++ /* If the node started out having uni rules, we ++ * wouldn't have gotten here. So this means ++ * something in the middle has changed it, but ++ * didn't think it needed to reparse. But this ++ * sharp s now does indicate the need for ++ * reparsing. */ ++ if (RExC_uni_semantics) { ++ p = oldp; ++ goto loopdone; ++ } ++ + RExC_seen_unfolded_sharp_s = 1; + maybe_exactfu = FALSE; + } +-- +2.15.1-424-g9478a660812 + + |