diff options
author | Ariadne Conill <ariadne@dereferenced.org> | 2020-11-20 00:37:38 -0700 |
---|---|---|
committer | Ariadne Conill <ariadne@dereferenced.org> | 2020-11-20 00:39:10 -0700 |
commit | 646c516367f8746a5d153ee00cf264316451b196 (patch) | |
tree | c0fd622731e618399dcccd9425a3fb6eced67255 | |
parent | 7cd64d115d0e69b1718b7b34ae09443805e5c83c (diff) |
main/musl: security fix for CVE-2020-28928
-rw-r--r-- | main/musl/APKBUILD | 10 | ||||
-rw-r--r-- | main/musl/wcsnrtombs-cve-2020-28928.diff | 65 |
2 files changed, 73 insertions, 2 deletions
diff --git a/main/musl/APKBUILD b/main/musl/APKBUILD index 4c7621ae73c..e29e5240635 100644 --- a/main/musl/APKBUILD +++ b/main/musl/APKBUILD @@ -1,8 +1,8 @@ -# Contributor: +# Contributor: Ariadne Conill <ariadne@dereferenced.org> # Maintainer: Timo Teräs <timo.teras@iki.fi> pkgname=musl pkgver=1.1.24 -pkgrel=2 +pkgrel=3 pkgdesc="the musl c library (libc) implementation" url="https://musl.libc.org/" arch="all" @@ -12,6 +12,7 @@ subpackages="$pkgname-libintl:libintl:noarch $pkgname-dbg libc6-compat:compat:noarch " +options="lib64" case "$BOOTSTRAP" in nocc) pkgname="musl-dev"; subpackages="";; nolibc) ;; @@ -27,6 +28,8 @@ source="https://musl.libc.org/releases/musl-$pkgver.tar.gz fix-return-value-of-ungetc-when-argument-is-outside-.patch fix-errno-for-posix_openpt-with-no-free-ptys-availab.patch + wcsnrtombs-cve-2020-28928.diff + ldconfig __stack_chk_fail_local.c getconf.c @@ -35,6 +38,8 @@ source="https://musl.libc.org/releases/musl-$pkgver.tar.gz " # secfixes: +# 1.1.24-r3: +# - CVE-2020-28928 # 1.1.23-r2: # - CVE-2019-14697 # 1.1.15-r4: @@ -175,6 +180,7 @@ sha512sums="8987f1e194ea616f34f4f21fe9def28fb7f81d7060e38619206c6349f79db3bbb76b 41934951bbc16f155d40824abf30d818b4c124f668f74f5a13674b5251650bb9d9bf9fde0b75462bb2a4b80dc00871ba122960fa027998e71970d533df1cb987 fix-incorrect-results-for-catanf-and-catanl-with-som.patch 81bddb171fc2171a7aa86e74bf674e3a99508d27416dfc1cfcf2824f17b33ee7dda7c5968a8a69a542fdd6eecded5b8e3973e81079d9a061aa80142d08fc1a90 fix-return-value-of-ungetc-when-argument-is-outside-.patch 144b4525483cbc97f0414955b7e5ce42c9ff69580e5be714b56330da30b0687911bd6019aef3c8611bd0a5bd7671d690b66b4920ae47cf3442a1c982ed000e22 fix-errno-for-posix_openpt-with-no-free-ptys-availab.patch +35dc5df28d90d1c84f9100116b63ba9e7fd44a20f512d12760da5e01f1aec4e799f726cbafb586bae568ff4f6d5a70948f1bf9fb901f1ca7dfcdf35c5d7510a6 wcsnrtombs-cve-2020-28928.diff 8d3a2d5315fc56fee7da9abb8b89bb38c6046c33d154c10d168fb35bfde6b0cf9f13042a3bceee34daf091bc409d699223735dcf19f382eeee1f6be34154f26f ldconfig 062bb49fa54839010acd4af113e20f7263dde1c8a2ca359b5fb2661ef9ed9d84a0f7c3bc10c25dcfa10bb3c5a4874588dff636ac43d5dbb3d748d75400756d0b __stack_chk_fail_local.c 0d80f37b34a35e3d14b012257c50862dfeb9d2c81139ea2dfa101d981d093b009b9fa450ba27a708ac59377a48626971dfc58e20a3799084a65777a0c32cbc7d getconf.c diff --git a/main/musl/wcsnrtombs-cve-2020-28928.diff b/main/musl/wcsnrtombs-cve-2020-28928.diff new file mode 100644 index 00000000000..8465f9422a8 --- /dev/null +++ b/main/musl/wcsnrtombs-cve-2020-28928.diff @@ -0,0 +1,65 @@ +diff --git a/src/multibyte/wcsnrtombs.c b/src/multibyte/wcsnrtombs.c +index 676932b5..95e25e70 100644 +--- a/src/multibyte/wcsnrtombs.c ++++ b/src/multibyte/wcsnrtombs.c +@@ -1,41 +1,33 @@ + #include <wchar.h> ++#include <limits.h> ++#include <string.h> + + size_t wcsnrtombs(char *restrict dst, const wchar_t **restrict wcs, size_t wn, size_t n, mbstate_t *restrict st) + { +- size_t l, cnt=0, n2; +- char *s, buf[256]; + const wchar_t *ws = *wcs; +- const wchar_t *tmp_ws; +- +- if (!dst) s = buf, n = sizeof buf; +- else s = dst; +- +- while ( ws && n && ( (n2=wn)>=n || n2>32 ) ) { +- if (n2>=n) n2=n; +- tmp_ws = ws; +- l = wcsrtombs(s, &ws, n2, 0); +- if (!(l+1)) { +- cnt = l; +- n = 0; ++ size_t cnt = 0; ++ if (!dst) n=0; ++ while (ws && wn) { ++ char tmp[MB_LEN_MAX]; ++ size_t l = wcrtomb(n<MB_LEN_MAX ? tmp : dst, *ws, 0); ++ if (l==-1) { ++ cnt = -1; + break; + } +- if (s != buf) { +- s += l; ++ if (dst) { ++ if (n<MB_LEN_MAX) { ++ if (l>n) break; ++ memcpy(dst, tmp, l); ++ } ++ dst += l; + n -= l; + } +- wn = ws ? wn - (ws - tmp_ws) : 0; +- cnt += l; +- } +- if (ws) while (n && wn) { +- l = wcrtomb(s, *ws, 0); +- if ((l+1)<=1) { +- if (!l) ws = 0; +- else cnt = l; ++ if (!*ws) { ++ ws = 0; + break; + } +- ws++; wn--; +- /* safe - this loop runs fewer than sizeof(buf) times */ +- s+=l; n-=l; ++ ws++; ++ wn--; + cnt += l; + } + if (dst) *wcs = ws; |