expat-2.1.0-14.el7

エラータID: AXSA:2022-3129:02

Release date: 
Tuesday, March 29, 2022 - 01:21
Subject: 
expat-2.1.0-14.el7
Affected Channels: 
Asianux Server 7 for x86_64
Severity: 
High
Description: 

Expat is a C library for parsing XML documents.

Security Fix(es):

expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code
execution (CVE-2022-25235)
expat: Namespace-separator characters in "xmlns[:prefix]" attribute values
can lead to arbitrary code execution (CVE-2022-25236)
expat: Integer overflow in storeRawNames() (CVE-2022-25315)
expat: Large number of prefixed XML attributes on a single tag can crash
libexpat (CVE-2021-45960)
expat: Integer overflow in doProlog in xmlparse.c (CVE-2021-46143)
expat: Integer overflow in addBinding in xmlparse.c (CVE-2022-22822)
expat: Integer overflow in build_model in xmlparse.c (CVE-2022-22823)
expat: Integer overflow in defineAttribute in xmlparse.c (CVE-2022-22824)
expat: Integer overflow in lookup in xmlparse.c (CVE-2022-22825)
expat: Integer overflow in nextScaffoldPart in xmlparse.c (CVE-2022-22826)
expat: Integer overflow in storeAtts in xmlparse.c (CVE-2022-22827)
expat: Integer overflow in function XML_GetBuffer (CVE-2022-23852)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE page(s)
listed in the References section.

CVE(s):
CVE-2022-25235
CVE-2022-25236
CVE-2022-25315
CVE-2021-45960
CVE-2021-46143
CVE-2022-22822
CVE-2022-22823
CVE-2022-22824
CVE-2022-22825
CVE-2022-22826
CVE-2022-22827
CVE-2022-23852

Solution: 

Update packages.

CVEs: 
CVE-2021-45960
In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in the storeAtts function in xmlparse.c can lead to realloc misbehavior (e.g., allocating too few bytes, or only freeing memory).
CVE-2021-46143
In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize.
CVE-2022-22822
addBinding in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
CVE-2022-22823
build_model in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
CVE-2022-22824
defineAttribute in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
CVE-2022-22825
lookup in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
CVE-2022-22826
nextScaffoldPart in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
CVE-2022-22827
storeAtts in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
CVE-2022-23852
Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero XML_CONTEXT_BYTES.
CVE-2022-25235
xmltok_impl.c in Expat (aka libexpat) before 2.4.5 lacks certain validation of encoding, such as checks for whether a UTF-8 character is valid in a certain context.
CVE-2022-25236
xmlparse.c in Expat (aka libexpat) before 2.4.5 allows attackers to insert namespace-separator characters into namespace URIs.
CVE-2022-25315
In Expat (aka libexpat) before 2.4.5, there is an integer overflow in storeRawNames.
Additional Info: 

N/A

Download: 

SRPMS
  1. expat-2.1.0-14.el7.src.rpm
    MD5: 62f40fc477a7aa0d16c7ccd1e25b035a
    SHA-256: 49805c3ad1004faef688032c9c016100f2bd9df141fcf4d2628a34885277c3da
    Size: 581.19 kB

Asianux Server 7 for x86_64
  1. expat-2.1.0-14.el7.x86_64.rpm
    MD5: efea27c9550d8a690ba4db0e95a774f1
    SHA-256: afa78bc355539728d613ab05507d90387083d3fc3ee099977e6bebad2bb71be3
    Size: 81.70 kB
  2. expat-devel-2.1.0-14.el7.x86_64.rpm
    MD5: e29ad26833678f2f590b8efb4da653f6
    SHA-256: 41b6378824fcda31a1dde3784956e84bba354ce4c43d6790cc5bf2364133ae58
    Size: 57.19 kB
  3. expat-2.1.0-14.el7.i686.rpm
    MD5: 07e509755efe31d748fe70ec41fd58b1
    SHA-256: 6b4e1408d17ce222e6df6cd144fae8b2ec0fcc965e7b7b7292c8e663611c05c8
    Size: 81.49 kB
  4. expat-devel-2.1.0-14.el7.i686.rpm
    MD5: 1db378dd2bff11d47f3c922cc96bc269
    SHA-256: 4e7cb6061c1697280f31a2611c9de8f64c5a17613eaee371405eeeaa35ef1026
    Size: 57.22 kB