Version in base suite: 1.2.0-6 Base version: libtommath_1.2.0-6 Target version: libtommath_1.2.0-6+deb12u1 Base file: /srv/ftp-master.debian.org/ftp/pool/main/libt/libtommath/libtommath_1.2.0-6.dsc Target file: /srv/ftp-master.debian.org/policy/pool/main/libt/libtommath/libtommath_1.2.0-6+deb12u1.dsc changelog | 6 ++ patches/CVE-2023-36328.patch | 121 +++++++++++++++++++++++++++++++++++++++++++ patches/series | 1 3 files changed, 128 insertions(+) diff -Nru libtommath-1.2.0/debian/changelog libtommath-1.2.0/debian/changelog --- libtommath-1.2.0/debian/changelog 2021-02-07 10:58:15.000000000 +0000 +++ libtommath-1.2.0/debian/changelog 2024-04-04 20:20:38.000000000 +0000 @@ -1,3 +1,9 @@ +libtommath (1.2.0-6+deb12u1) bookworm; urgency=medium + + * CVE-2023-36328 (Closes: #1051100) + + -- Moritz Mühlenhoff Thu, 04 Apr 2024 22:20:38 +0200 + libtommath (1.2.0-6) unstable; urgency=medium [ Helmut Grohne ] diff -Nru libtommath-1.2.0/debian/patches/CVE-2023-36328.patch libtommath-1.2.0/debian/patches/CVE-2023-36328.patch --- libtommath-1.2.0/debian/patches/CVE-2023-36328.patch 1970-01-01 00:00:00.000000000 +0000 +++ libtommath-1.2.0/debian/patches/CVE-2023-36328.patch 2024-04-04 20:20:38.000000000 +0000 @@ -0,0 +1,121 @@ +From beba892bc0d4e4ded4d667ab1d2a94f4d75109a9 Mon Sep 17 00:00:00 2001 +From: czurnieden +Date: Tue, 9 May 2023 17:17:12 +0200 +Subject: [PATCH] Fix possible integer overflow + +--- + bn_mp_2expt.c | 4 ++++ + bn_mp_grow.c | 4 ++++ + bn_mp_init_size.c | 5 +++++ + bn_mp_mul_2d.c | 4 ++++ + bn_s_mp_mul_digs.c | 4 ++++ + bn_s_mp_mul_digs_fast.c | 4 ++++ + bn_s_mp_mul_high_digs.c | 4 ++++ + bn_s_mp_mul_high_digs_fast.c | 4 ++++ + 8 files changed, 33 insertions(+) + +--- libtommath-1.2.0.orig/bn_mp_2expt.c ++++ libtommath-1.2.0/bn_mp_2expt.c +@@ -12,6 +12,10 @@ mp_err mp_2expt(mp_int *a, int b) + { + mp_err err; + ++ if (b < 0) { ++ return MP_VAL; ++ } ++ + /* zero a as per default */ + mp_zero(a); + +--- libtommath-1.2.0.orig/bn_mp_grow.c ++++ libtommath-1.2.0/bn_mp_grow.c +@@ -9,6 +9,10 @@ mp_err mp_grow(mp_int *a, int size) + int i; + mp_digit *tmp; + ++ if (size < 0) { ++ return MP_VAL; ++ } ++ + /* if the alloc size is smaller alloc more ram */ + if (a->alloc < size) { + /* reallocate the array a->dp +--- libtommath-1.2.0.orig/bn_mp_init_size.c ++++ libtommath-1.2.0/bn_mp_init_size.c +@@ -6,6 +6,11 @@ + /* init an mp_init for a given size */ + mp_err mp_init_size(mp_int *a, int size) + { ++ ++ if (size < 0) { ++ return MP_VAL; ++ } ++ + size = MP_MAX(MP_MIN_PREC, size); + + /* alloc mem */ +--- libtommath-1.2.0.orig/bn_mp_mul_2d.c ++++ libtommath-1.2.0/bn_mp_mul_2d.c +@@ -9,6 +9,10 @@ mp_err mp_mul_2d(const mp_int *a, int b, + mp_digit d; + mp_err err; + ++ if (b < 0) { ++ return MP_VAL; ++ } ++ + /* copy */ + if (a != c) { + if ((err = mp_copy(a, c)) != MP_OKAY) { +--- libtommath-1.2.0.orig/bn_s_mp_mul_digs.c ++++ libtommath-1.2.0/bn_s_mp_mul_digs.c +@@ -16,6 +16,10 @@ mp_err s_mp_mul_digs(const mp_int *a, co + mp_word r; + mp_digit tmpx, *tmpt, *tmpy; + ++ if (digs < 0) { ++ return MP_VAL; ++ } ++ + /* can we use the fast multiplier? */ + if ((digs < MP_WARRAY) && + (MP_MIN(a->used, b->used) < MP_MAXFAST)) { +--- libtommath-1.2.0.orig/bn_s_mp_mul_digs_fast.c ++++ libtommath-1.2.0/bn_s_mp_mul_digs_fast.c +@@ -26,6 +26,10 @@ mp_err s_mp_mul_digs_fast(const mp_int * + mp_digit W[MP_WARRAY]; + mp_word _W; + ++ if (digs < 0) { ++ return MP_VAL; ++ } ++ + /* grow the destination as required */ + if (c->alloc < digs) { + if ((err = mp_grow(c, digs)) != MP_OKAY) { +--- libtommath-1.2.0.orig/bn_s_mp_mul_high_digs.c ++++ libtommath-1.2.0/bn_s_mp_mul_high_digs.c +@@ -15,6 +15,10 @@ mp_err s_mp_mul_high_digs(const mp_int * + mp_word r; + mp_digit tmpx, *tmpt, *tmpy; + ++ if (digs < 0) { ++ return MP_VAL; ++ } ++ + /* can we use the fast multiplier? */ + if (MP_HAS(S_MP_MUL_HIGH_DIGS_FAST) + && ((a->used + b->used + 1) < MP_WARRAY) +--- libtommath-1.2.0.orig/bn_s_mp_mul_high_digs_fast.c ++++ libtommath-1.2.0/bn_s_mp_mul_high_digs_fast.c +@@ -19,6 +19,10 @@ mp_err s_mp_mul_high_digs_fast(const mp_ + mp_digit W[MP_WARRAY]; + mp_word _W; + ++ if (digs < 0) { ++ return MP_VAL; ++ } ++ + /* grow the destination as required */ + pa = a->used + b->used; + if (c->alloc < pa) { diff -Nru libtommath-1.2.0/debian/patches/series libtommath-1.2.0/debian/patches/series --- libtommath-1.2.0/debian/patches/series 2021-02-07 10:58:15.000000000 +0000 +++ libtommath-1.2.0/debian/patches/series 2024-04-04 20:20:38.000000000 +0000 @@ -2,3 +2,4 @@ remove-undefined-macro fix-shift-count-overflow-on-x32 use-utc-timezone +CVE-2023-36328.patch