diff --git a/meta/recipes-extended/cups/cups.inc b/meta/recipes-extended/cups/cups.inc index 194b9c2638..49b828506a 100644 --- a/meta/recipes-extended/cups/cups.inc +++ b/meta/recipes-extended/cups/cups.inc @@ -21,6 +21,9 @@ SRC_URI = "${GITHUB_BASE_URI}/download/v${PV}/cups-${PV}-source.tar.gz \ file://CVE-2026-34990.patch \ file://CVE-2026-39314.patch \ file://CVE-2026-39316.patch \ + file://CVE-2026-27447.patch \ + file://CVE-2026-27447-regression_p1.patch \ + file://CVE-2026-27447-regression_p2.patch \ " GITHUB_BASE_URI = "https://github.com/OpenPrinting/cups/releases" diff --git a/meta/recipes-extended/cups/cups/CVE-2026-27447-regression_p1.patch b/meta/recipes-extended/cups/cups/CVE-2026-27447-regression_p1.patch new file mode 100644 index 0000000000..bbd44913d3 --- /dev/null +++ b/meta/recipes-extended/cups/cups/CVE-2026-27447-regression_p1.patch @@ -0,0 +1,46 @@ +From c4c0a46b266bd227fa3925ad08556a620da342ae Mon Sep 17 00:00:00 2001 +From: Zdenek Dohnal +Date: Wed, 22 Apr 2026 12:40:14 +0200 +Subject: [PATCH] Fix cupsd crash if user does not exist on server + +CVE: CVE-2026-27447 + +Upstream-Status: Backport [https://github.com/OpenPrinting/cups/commit/6d97ee39fedf12a7a5429a74f4156ef9bb67f562] + +Backport Changes: +- Rebase CHANGES.md context to the CUPS 2.4.16 changelog section. + +(cherry picked from commit 6d97ee39fedf12a7a5429a74f4156ef9bb67f562) +Signed-off-by: Anil Dongare +--- + CHANGES.md | 1 + + scheduler/auth.c | 2 +- + 2 files changed, 2 insertions(+), 1 deletion(-) + +diff --git a/CHANGES.md b/CHANGES.md +index d591ead..16e9527 100644 +--- a/CHANGES.md ++++ b/CHANGES.md +@@ -7,6 +7,7 @@ Changes in CUPS v2.4.16 (2025-12-04) + + - CVE-2026-27447: The scheduler treated local user and group names as case- + insensitive. ++- Fixed cupsd crash if user does not exist (Issue #1555) + - `cupsUTF8ToCharset` didn't validate 2-byte UTF-8 sequences, potentially + reading past the end of the source string (Issue #1438) + - The web interface did not support domain usernames fully (Issue #1441) +diff --git a/scheduler/auth.c b/scheduler/auth.c +index 3e7041e..d5f564e 100644 +--- a/scheduler/auth.c ++++ b/scheduler/auth.c +@@ -1835,7 +1835,7 @@ cupsdIsAuthorized(cupsd_client_t *con, /* I - Connection */ + name; + name = (char *)cupsArrayNext(best->names)) + { +- if (!_cups_strcasecmp(name, "@OWNER") && owner && ++ if (!_cups_strcasecmp(name, "@OWNER") && owner && pw && + !strcmp(pw->pw_name, ownername)) + return (HTTP_OK); + else if (!_cups_strcasecmp(name, "@SYSTEM")) +-- +2.43.7 diff --git a/meta/recipes-extended/cups/cups/CVE-2026-27447-regression_p2.patch b/meta/recipes-extended/cups/cups/CVE-2026-27447-regression_p2.patch new file mode 100644 index 0000000000..69b7ea962c --- /dev/null +++ b/meta/recipes-extended/cups/cups/CVE-2026-27447-regression_p2.patch @@ -0,0 +1,58 @@ +From 6a712bd3b5236df3e1bd145e89ea1108fb860d8b Mon Sep 17 00:00:00 2001 +From: Michael R Sweet +Date: Fri, 24 Apr 2026 14:06:06 -0400 +Subject: [PATCH] Fix unauthenticated print policies (Issue #1557) + +CVE: CVE-2026-27447 + +Upstream-Status: Backport [https://github.com/OpenPrinting/cups/commit/849fba7d7a1144e48d45c5e6ba2504765912ece0] + +Backport Changes: +- Rebase CHANGES.md context to the CUPS 2.4.16 changelog section. + +(cherry picked from commit 849fba7d7a1144e48d45c5e6ba2504765912ece0) +Signed-off-by: Anil Dongare +--- + CHANGES.md | 1 + + scheduler/auth.c | 7 +++++-- + 2 files changed, 6 insertions(+), 2 deletions(-) + +diff --git a/CHANGES.md b/CHANGES.md +index 16e9527..47b394b 100644 +--- a/CHANGES.md ++++ b/CHANGES.md +@@ -8,6 +8,7 @@ Changes in CUPS v2.4.16 (2025-12-04) + - CVE-2026-27447: The scheduler treated local user and group names as case- + insensitive. + - Fixed cupsd crash if user does not exist (Issue #1555) ++- Fixed a regression in shared printing from non-local accounts (Issue #1557) + - `cupsUTF8ToCharset` didn't validate 2-byte UTF-8 sequences, potentially + reading past the end of the source string (Issue #1438) + - The web interface did not support domain usernames fully (Issue #1441) +diff --git a/scheduler/auth.c b/scheduler/auth.c +index d5f564e..7e211ff 100644 +--- a/scheduler/auth.c ++++ b/scheduler/auth.c +@@ -1835,8 +1835,9 @@ cupsdIsAuthorized(cupsd_client_t *con, /* I - Connection */ + name; + name = (char *)cupsArrayNext(best->names)) + { +- if (!_cups_strcasecmp(name, "@OWNER") && owner && pw && +- !strcmp(pw->pw_name, ownername)) ++ if (!_cups_strcasecmp(name, "@OWNER") && owner && ++ ((pw && !strcmp(pw->pw_name, ownername)) || ++ (!pw && type == CUPSD_AUTH_NONE && !_cups_strcasecmp(username, ownername)))) + return (HTTP_OK); + else if (!_cups_strcasecmp(name, "@SYSTEM")) + { +@@ -1850,6 +1851,8 @@ cupsdIsAuthorized(cupsd_client_t *con, /* I - Connection */ + } + else if (pw && !strcmp(pw->pw_name, name)) + return (HTTP_OK); ++ else if (!pw && type == CUPSD_AUTH_NONE && !_cups_strcasecmp(username, name)) ++ return (HTTP_STATUS_OK); + } + + for (name = (char *)cupsArrayFirst(best->names); +-- +2.43.7 diff --git a/meta/recipes-extended/cups/cups/CVE-2026-27447.patch b/meta/recipes-extended/cups/cups/CVE-2026-27447.patch new file mode 100644 index 0000000000..b73377ce4d --- /dev/null +++ b/meta/recipes-extended/cups/cups/CVE-2026-27447.patch @@ -0,0 +1,120 @@ +From f792687607462386ea3778fac5e0394da09c8a72 Mon Sep 17 00:00:00 2001 +From: Michael R Sweet +Date: Tue, 31 Mar 2026 14:04:21 -0400 +Subject: [PATCH] CVE-2026-27447: The scheduler treated local user and group + names as case-insensitive. + +CVE: CVE-2026-27447 + +Upstream-Status: Backport [https://github.com/OpenPrinting/cups/commit/a0c62c1e69604ff061089b750073199fab5a1beb] + +Backport Changes: +- Rebase CHANGES.md context to the CUPS 2.4.16 changelog section. + +(cherry picked from commit a0c62c1e69604ff061089b750073199fab5a1beb) +Signed-off-by: Anil Dongare +--- + CHANGES.md | 2 ++ + scheduler/auth.c | 31 +++++++++++++++---------------- + 2 files changed, 17 insertions(+), 16 deletions(-) + +diff --git a/CHANGES.md b/CHANGES.md +index 78a9a94..d591ead 100644 +--- a/CHANGES.md ++++ b/CHANGES.md +@@ -5,6 +5,8 @@ CHANGES - OpenPrinting CUPS + Changes in CUPS v2.4.16 (2025-12-04) + ------------------------------------ + ++- CVE-2026-27447: The scheduler treated local user and group names as case- ++ insensitive. + - `cupsUTF8ToCharset` didn't validate 2-byte UTF-8 sequences, potentially + reading past the end of the source string (Issue #1438) + - The web interface did not support domain usernames fully (Issue #1441) +diff --git a/scheduler/auth.c b/scheduler/auth.c +index 18ac443..3e7041e 100644 +--- a/scheduler/auth.c ++++ b/scheduler/auth.c +@@ -1,7 +1,7 @@ + /* + * Authorization routines for the CUPS scheduler. + * +- * Copyright © 2020-2024 by OpenPrinting. ++ * Copyright © 2020-2026 by OpenPrinting. + * Copyright © 2007-2019 by Apple Inc. + * Copyright © 1997-2007 by Easy Software Products, all rights reserved. + * +@@ -1184,7 +1184,7 @@ cupsdCheckGroup( + group = getgrnam(groupname); + endgrent(); + +- if (group != NULL) ++ if (user && group) + { + /* + * Group exists, check it... +@@ -1198,7 +1198,7 @@ cupsdCheckGroup( + * User appears in the group membership... + */ + +- if (!_cups_strcasecmp(username, group->gr_mem[i])) ++ if (!strcmp(user->pw_name, group->gr_mem[i])) + return (1); + } + +@@ -1209,25 +1209,24 @@ cupsdCheckGroup( + * belongs to... + */ + +- if (user) +- { +- int ngroups; /* Number of groups */ ++ int ngroups; /* Number of groups */ + # ifdef __APPLE__ +- int groups[2048]; /* Groups that user belongs to */ ++ int groups[2048]; /* Groups that user belongs to */ + # else +- gid_t groups[2048]; /* Groups that user belongs to */ ++ gid_t groups[2048]; /* Groups that user belongs to */ + # endif /* __APPLE__ */ + +- ngroups = (int)(sizeof(groups) / sizeof(groups[0])); ++ ngroups = (int)(sizeof(groups) / sizeof(groups[0])); + # ifdef __APPLE__ +- getgrouplist(username, (int)user->pw_gid, groups, &ngroups); ++ getgrouplist(user->pw_name, (int)user->pw_gid, groups, &ngroups); + # else +- getgrouplist(username, user->pw_gid, groups, &ngroups); ++ getgrouplist(user->pw_name, user->pw_gid, groups, &ngroups); + #endif /* __APPLE__ */ + +- for (i = 0; i < ngroups; i ++) +- if ((int)groupid == (int)groups[i]) +- return (1); ++ for (i = 0; i < ngroups; i ++) ++ { ++ if ((int)groupid == (int)groups[i]) ++ return (1); + } + #endif /* HAVE_GETGROUPLIST */ + } +@@ -1837,7 +1836,7 @@ cupsdIsAuthorized(cupsd_client_t *con, /* I - Connection */ + name = (char *)cupsArrayNext(best->names)) + { + if (!_cups_strcasecmp(name, "@OWNER") && owner && +- !_cups_strcasecmp(username, ownername)) ++ !strcmp(pw->pw_name, ownername)) + return (HTTP_OK); + else if (!_cups_strcasecmp(name, "@SYSTEM")) + { +@@ -1849,7 +1848,7 @@ cupsdIsAuthorized(cupsd_client_t *con, /* I - Connection */ + if (cupsdCheckGroup(username, pw, name + 1)) + return (HTTP_OK); + } +- else if (!_cups_strcasecmp(username, name)) ++ else if (pw && !strcmp(pw->pw_name, name)) + return (HTTP_OK); + } + +-- +2.43.7