An issue was discovered in t1checkunusual_charstring functions in writet1.c files in TeX Live before 2018-09-21. A buffer overflow in the handling of Type 1 fonts allows arbitrary code execution when a malicious font is loaded by one of the vulnerable tools: pdflatex, pdftex, dvips, or luatex.
[
{
"signature_type": "Line",
"deprecated": false,
"digest": {
"line_hashes": [
"9791268591048681484189466533196366941",
"224486063487720674053331003536961317759",
"53123805931207764341912960437070621194",
"46727596619073334453305375206035578971",
"68478864391820934181172959969828339608"
],
"threshold": 0.9
},
"signature_version": "v1",
"source": "https://github.com/tex-live/texlive-source/commit/6ed0077520e2b0da1fd060c7f88db7b2e6068e4c",
"target": {
"file": "texk/dvipsk/writet1.c"
},
"id": "CVE-2018-17407-1430cd7b"
},
{
"signature_type": "Line",
"deprecated": false,
"digest": {
"line_hashes": [
"22924009159388201154967308494624661853",
"224070519679053124323349878276311203529",
"123390893019550676027322074092248546979",
"46727596619073334453305375206035578971",
"68478864391820934181172959969828339608"
],
"threshold": 0.9
},
"signature_version": "v1",
"source": "https://github.com/tex-live/texlive-source/commit/6ed0077520e2b0da1fd060c7f88db7b2e6068e4c",
"target": {
"file": "texk/web2c/luatexdir/font/writet1.c"
},
"id": "CVE-2018-17407-34d611c9"
},
{
"signature_type": "Function",
"deprecated": false,
"digest": {
"length": 419.0,
"function_hash": "212266903493370556945839331844847800932"
},
"signature_version": "v1",
"source": "https://github.com/tex-live/texlive-source/commit/6ed0077520e2b0da1fd060c7f88db7b2e6068e4c",
"target": {
"file": "texk/web2c/pdftexdir/writet1.c",
"function": "t1_check_unusual_charstring"
},
"id": "CVE-2018-17407-71885961"
},
{
"signature_type": "Function",
"deprecated": false,
"digest": {
"length": 375.0,
"function_hash": "154964959366713946884875089814441253435"
},
"signature_version": "v1",
"source": "https://github.com/tex-live/texlive-source/commit/6ed0077520e2b0da1fd060c7f88db7b2e6068e4c",
"target": {
"file": "texk/web2c/luatexdir/font/writet1.c",
"function": "t1_check_unusual_charstring"
},
"id": "CVE-2018-17407-9dde0a3a"
},
{
"signature_type": "Function",
"deprecated": false,
"digest": {
"length": 419.0,
"function_hash": "212266903493370556945839331844847800932"
},
"signature_version": "v1",
"source": "https://github.com/tex-live/texlive-source/commit/6ed0077520e2b0da1fd060c7f88db7b2e6068e4c",
"target": {
"file": "texk/dvipsk/writet1.c",
"function": "t1_check_unusual_charstring"
},
"id": "CVE-2018-17407-c3e04853"
},
{
"signature_type": "Line",
"deprecated": false,
"digest": {
"line_hashes": [
"9791268591048681484189466533196366941",
"224486063487720674053331003536961317759",
"53123805931207764341912960437070621194",
"46727596619073334453305375206035578971",
"68478864391820934181172959969828339608"
],
"threshold": 0.9
},
"signature_version": "v1",
"source": "https://github.com/tex-live/texlive-source/commit/6ed0077520e2b0da1fd060c7f88db7b2e6068e4c",
"target": {
"file": "texk/web2c/pdftexdir/writet1.c"
},
"id": "CVE-2018-17407-cfd68eb4"
}
]