From: Peter Marko <[email protected]> Pick patch from [3] marked in [2] mentioned in [1].
[1] https://nvd.nist.gov/vuln/detail/CVE-2025-60753 [2] https://github.com/libarchive/libarchive/issues/2725 [3] https://github.com/libarchive/libarchive/pull/2787 Signed-off-by: Peter Marko <[email protected]> --- .../libarchive/CVE-2025-60753.patch | 76 +++++++++++++++++++ .../libarchive/libarchive_3.7.9.bb | 1 + 2 files changed, 77 insertions(+) create mode 100644 meta/recipes-extended/libarchive/libarchive/CVE-2025-60753.patch diff --git a/meta/recipes-extended/libarchive/libarchive/CVE-2025-60753.patch b/meta/recipes-extended/libarchive/libarchive/CVE-2025-60753.patch new file mode 100644 index 00000000000..730a6128c30 --- /dev/null +++ b/meta/recipes-extended/libarchive/libarchive/CVE-2025-60753.patch @@ -0,0 +1,76 @@ +From 3150539edb18690c2c5f81c37fd2d3a35c69ace5 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?ARJANEN=20Lo=C3=AFc=20Jean=20David?= <[email protected]> +Date: Fri, 14 Nov 2025 20:34:48 +0100 +Subject: [PATCH] Fix bsdtar zero-length pattern issue. +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Uses the sed-like way (and Java-like, and .Net-like, and Javascript-like…) to fix this issue of advancing the string to be processed by one if the match is zero-length. + +Fixes libarchive/libarchive#2725 and solves libarchive/libarchive#2438. + +CVE: CVE-2025-60753 +Upstream-Status: Backport [https://github.com/libarchive/libarchive/commit/3150539edb18690c2c5f81c37fd2d3a35c69ace5] +Signed-off-by: Peter Marko <[email protected]> +--- + tar/subst.c | 19 ++++++++++++------- + tar/test/test_option_s.c | 8 +++++++- + 2 files changed, 19 insertions(+), 8 deletions(-) + +diff --git a/tar/subst.c b/tar/subst.c +index 9747abb9..902a4d64 100644 +--- a/tar/subst.c ++++ b/tar/subst.c +@@ -235,7 +235,9 @@ apply_substitution(struct bsdtar *bsdtar, const char *name, char **result, + (*result)[0] = 0; + } + +- while (1) { ++ char isEnd = 0; ++ do { ++ isEnd = *name == '\0'; + if (regexec(&rule->re, name, 10, matches, 0)) + break; + +@@ -290,12 +292,15 @@ apply_substitution(struct bsdtar *bsdtar, const char *name, char **result, + } + + realloc_strcat(result, rule->result + j); +- +- name += matches[0].rm_eo; +- +- if (!rule->global) +- break; +- } ++ if (matches[0].rm_eo > 0) { ++ name += matches[0].rm_eo; ++ } else { ++ // We skip a character because the match is 0-length ++ // so we need to add it to the output ++ realloc_strncat(result, name, 1); ++ name += 1; ++ } ++ } while (rule->global && !isEnd); // Testing one step after because sed et al. run 0-length patterns a last time on the empty string at the end + } + + if (got_match) +diff --git a/tar/test/test_option_s.c b/tar/test/test_option_s.c +index 564793b9..90b4c471 100644 +--- a/tar/test/test_option_s.c ++++ b/tar/test/test_option_s.c +@@ -42,7 +42,13 @@ DEFINE_TEST(test_option_s) + systemf("%s -cf test1_2.tar -s /d1/d2/ in/d1/foo", testprog); + systemf("%s -xf test1_2.tar -C test1", testprog); + assertFileContents("foo", 3, "test1/in/d2/foo"); +- ++ systemf("%s -cf test1_3.tar -s /o/#/g in/d1/foo", testprog); ++ systemf("%s -xf test1_3.tar -C test1", testprog); ++ assertFileContents("foo", 3, "test1/in/d1/f##"); ++ // For the 0-length pattern check, remember that "test1/" isn't part of the string affected by the regexp ++ systemf("%s -cf test1_4.tar -s /f*/\\<~\\>/g in/d1/foo", testprog); ++ systemf("%s -xf test1_4.tar -C test1", testprog); ++ assertFileContents("foo", 3, "test1/<>i<>n<>/<>d<>1<>/<f><>o<>o<>"); + /* + * Test 2: Basic substitution when extracting archive. + */ diff --git a/meta/recipes-extended/libarchive/libarchive_3.7.9.bb b/meta/recipes-extended/libarchive/libarchive_3.7.9.bb index da11e052a71..86ba53aaf2a 100644 --- a/meta/recipes-extended/libarchive/libarchive_3.7.9.bb +++ b/meta/recipes-extended/libarchive/libarchive_3.7.9.bb @@ -42,6 +42,7 @@ SRC_URI = "http://libarchive.org/downloads/libarchive-${PV}.tar.gz \ file://0001-Merge-pull-request-2749-from-KlaraSystems-des-tempdi.patch \ file://0001-Merge-pull-request-2753-from-KlaraSystems-des-temp-f.patch \ file://0001-Merge-pull-request-2768-from-Commandoss-master.patch \ + file://CVE-2025-60753.patch \ " UPSTREAM_CHECK_URI = "http://libarchive.org/";
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